Juggling a fussy teething baby while trying to maintain a semblance of personal style can feel like an impossible act. Many modern parents are searching for solutions that bridge the gap between practical baby care and their own desire to feel put-together. Teething necklaces designed specifically for caregivers have surged in popularity, promising a hands-free way to soothe a little one while adding a touch of personality to an outfit. It’s easy to see the appeal: a beautiful accessory that doubles as a safe chewing surface, potentially freeing up your hands for other tasks or simply offering a moment of calm amidst the chaos. But navigating this trend requires careful consideration beyond just aesthetics.
Before adding any teething accessory to your rotation, understanding the critical safety landscape and realistic expectations is paramount. These necklaces aren’t toys for the baby to wear independently, and their primary function is as a caregiver-worn item for baby to gnaw on under direct, constant supervision. The intersection of fashion and infant safety demands extra diligence. This guide cuts through the hype, focusing on the essential features, safety protocols, and thoughtful considerations every parent should weigh when exploring this category. It’s about making informed choices that prioritize your child’s well-being without sacrificing your personal style identity.
Top 10 Teething Necklaces
Detailed Product Reviews
1. Amber Guru Baltic Amber Necklace (Authentic, Certified) - 12.5 inches - Unisex Jewelry - Polished Real Amber Beads - Proud to Deliver Genuine Baltic Sea Wonder Handmade (Cognac)
Overview: This authentic Baltic amber necklace features 12.5 inches of polished cognac-hued baroque beads, designed for necks 9-11 inches in circumference. Crafted from certified genuine Baltic amber, it emphasizes natural beauty and traditional craftsmanship for unisex wear.
What Makes It Stand Out: Its standout feature is the Lithuanian Assay Office Gems Testing Laboratory certification, providing verifiable authenticity rarely matched at this price point. The irregular baroque bead shapes highlight amber’s organic origins, while the knotted design and screw clasp prioritize safety without compromising elegance.
Value for Money: Priced moderately for certified Baltic amber, it offers strong value compared to uncertified alternatives. The certification justifies the cost for buyers seeking genuine material, though purely decorative silicone options are cheaper (but lack amber’s historical allure).
Strengths and Weaknesses: Strengths include lab certification, secure knotting/clasp, comfortable polished finish, and ethical sourcing. Weaknesses are the limited size range, lack of explicit medical efficacy (despite implied soothing claims), and amber’s inherent fragility compared to synthetic materials.
Bottom Line: A trustworthy choice for authentic Baltic amber jewelry with verified provenance; ideal for those valuing tradition and craftsmanship over therapeutic promises, but ensure proper sizing and supervise wear.
2. Baltic Amber Necklace - Authentic Cognac Baroque - Natural Comfort - 12.5 Inch - Screw Clasp
Overview: Baltic Wonder’s cognac baroque amber necklace offers 12.5 inches of Lithuanian-sourced Baltic amber beads, marketed for “natural comfort.” It targets buyers seeking authentic amber with safety-focused construction and a certificate of authenticity.
What Makes It Stand Out: The 30+ years of Lithuanian craftsmanship and included authenticity certificate differentiate it, emphasizing heritage and quality control. The individually knotted beads and screw clasp enhance safety, while the baroque shape celebrates amber’s natural irregularity.
Value for Money: It commands a premium over uncertified amber but aligns with market rates for verified Baltic pieces. While silicone sensory alternatives cost less, this delivers tangible heritage value for amber enthusiasts, though therapeutic benefits remain anecdotal.
Strengths and Weaknesses: Strengths are the authenticity guarantee, Lithuanian origin, secure construction, and smooth finish. Weaknesses include unsubstantiated “soothing properties” claims, no size flexibility, and the need for careful handling to avoid damage. Not a teething solution.
Bottom Line: A reliable, certified Baltic amber necklace for discerning buyers prioritizing authenticity and craftsmanship; recommended if you value origin verification but manage expectations regarding unproven comfort claims.
3. Chew Necklaces for Sensory Kids, Silicone Chewy Necklace for Children with Autism, ADHD, SPD, Chewing, 6 Pack Autism Sensory Toys
Overview: This 6-pack sensory chew necklace set includes varied shapes (biscuit, donut, stick, etc.) made from food-grade silicone, designed to redirect chewing behaviors in children with sensory needs like autism or ADHD.
What Makes It Stand Out: The diverse shape variety in one pack uniquely addresses different oral motor preferences, while the breakaway clasp prioritizes safety. Its specific targeting of school/therapy settings and risk-free trial offer practical reassurance for caregivers.
Value for Money: Excellent value as a multi-piece kit; individual sensory chew toys often cost more per item. The durability and food-safe material justify the price versus cheaper, less-safe alternatives, making it cost-effective for classrooms or multiple children.
Strengths and Weaknesses: Strengths include shape diversity, BPA-free silicone, breakaway clasp, ease of cleaning, and the risk-free guarantee. Weaknesses are the limited color option (pink only) and potential for younger children to remove beads if not supervised.
Bottom Line: A highly practical, safe, and versatile sensory solution; strongly recommended for therapists or parents seeking affordable, multi-use tools to manage oral fixation in special-needs children.
4. Silicone Nursing Necklaces for Mom to Wear, 2 Pack Chew Necklace for Sensory Kids, Breastfeeding Sensory Necklace for Boys, Girls to Reduces Anxiety
Overview: This 2-pack offers vibrant, food-grade silicone chew necklaces designed for moms to wear during breastfeeding, helping soothe sensory-seeking children who chew on clothing or other objects.
What Makes It Stand Out: Its dual focus on maternal fashion (bright colors complementing outfits) and sensory functionality stands out. The freezer/dishwasher-safe cleaning and strong BPA-free silicone cater specifically to nursing convenience and durability.
Value for Money: Good value for a 2-pack with premium features like color variety and extreme durability. While single necklaces are cheaper, this set’s practicality for frequent use and gifting justifies the cost for breastfeeding parents.
Strengths and Weaknesses: Strengths include safety (breakaway clasp, food-grade), easy cleaning, fashion appeal, and hand-eye coordination benefits. Weaknesses are the lack of shape variety compared to Product 3 and potential color fading after repeated dishwasher use.
Bottom Line: A stylish, functional choice for nursing mothers needing reliable sensory tools; recommended for its durability and dual-purpose design, though shape options are limited.
5. Baltic Amber Necklace - Authentic Honey Baroque - Natural Comfort - 12.5 Inch - Screw Clasp
Overview: Baltic Wonder’s honey baroque amber necklace, like its cognac counterpart, features 12.5 inches of Lithuanian-sourced amber beads. It emphasizes authenticity, safety, and “natural comfort” through traditional craftsmanship.
What Makes It Stand Out: The honey-colored baroque beads offer a lighter aesthetic alternative to cognac, while retaining the core strengths: Lithuanian origin certification, 30+ years of artisan expertise, and secure knotting with a screw clasp for peace of mind.
Value for Money: Comparable in value to Product 2; the honey hue may appeal to those preferring warmer tones, but pricing reflects identical certification and construction. It’s a fair investment for genuine amber seekers, though therapeutic claims aren’t scientifically validated.
Strengths and Weaknesses: Strengths include lab-backed authenticity, experienced Lithuanian craftsmanship, safe design, and elegant natural finish. Weaknesses are the unproven comfort assertions, fixed sizing, and amber’s susceptibility to chemicals or impact.
Bottom Line: A solid, certified Baltic amber option with a distinctive honey tone; choose this if you prefer lighter amber shades and prioritize verified authenticity over unverified wellness benefits.
6. Chew Necklaces for Sensory Kids Boys Girls, 6 Pack Chewy Necklace Sensory Toys for Kids with Autism, Silicone Oral Motor Aids Chew Toys for Children Adults Reduce Fidgeting
Overview: This 6-pack of silicone chew necklaces targets kids and adults with sensory needs like autism or ADHD, offering a safe oral outlet to reduce fidgeting and thumb-sucking through textured, patented designs.
What Makes It Stand Out: The set’s unique patented shapes (Sloth, Shark Tooth, Donut, etc.) cater to diverse sensory preferences, while third-party-tested food-grade silicone ensures safety from BPA, PVC, and lead. Adjustable cords with breakaway clasps add security, and dishwasher-freezer compatibility simplifies maintenance.
Value for Money: At six distinct pieces, it provides exceptional variety for the price, outperforming single-necklace alternatives. The durable material and lab-certified safety justify costs compared to cheaper, uncertified options that risk exposure to toxins.
Strengths and Weaknesses: Strengths: Non-toxic, versatile shapes for different chew pressures; easy cleaning; breakaway safety feature. Weaknesses: Requires constant adult supervision; clasps may weaken over time despite safety design.
Bottom Line: Highly recommended for caregivers seeking a diverse, rigorously tested sensory toolkit—ideal for calming anxiety but demands vigilant oversight during use.
7. Chew Necklaces for Sensory Kids, 8 Pack Chewy Necklace Sensory Boys and Girls with Autism, ADHD, SPD, Biting, Silicone Teething Necklace Oral Chew Toys for Adults Reduce Chewing Anxiety Fidget
Overview: An 8-piece silicone chew necklace set designed for sensory regulation in autism, ADHD, or anxiety, featuring rainbow-colored crayon-shaped pendants to curb biting habits and enhance focus through oral stimulation.
What Makes It Stand Out: The vibrant crayon textures with medium hardness specifically address varied chewing intensities, while the 8-pack offers broader color/shape diversity than most competitors. Breakaway clasps and sterilization via boiling or dishwasher enhance safety and hygiene, appealing to schools and therapists.
Value for Money: Excellent value due to the high quantity (8 vs. standard 6 packs) and multi-environment usability—from classrooms to teething relief. The durability offsets initial costs better than flimsy alternatives, though premium designs slightly elevate pricing.
Strengths and Weaknesses: Strengths: Extensive color/texture variety; sterilization flexibility; effective for nail-biting prevention. Weaknesses: Crayon shapes may not suit all grip preferences; breakaway clasps require periodic replacement.
Bottom Line: A top-tier investment for therapists or parents needing adaptable, colorful tools—just monitor clasp integrity for long-term safety.
8. Teething Necklace for Baby, One-Piece Safety Design for Toddler, Chew Necklaces for Sensory Kids Adults with Autism, ADHD, Fidget, Biting, Anxiety - Flower Chew Jewelry Toys for Teething Relief
Overview: A single-piece silicone teething necklace prioritizing infant safety, eliminating choking hazards with seamless construction while serving as a stylish sensory aid for babies, kids, and adults with autism or anxiety.
What Makes It Stand Out: The revolutionary one-piece design removes all detachable parts—unlike clasp-dependent rivals—making it uniquely safe for unsupervised infant use. Textured flower patterns soothe gums, and tie-dye aesthetics let moms wear it fashionably during nursing.
Value for Money: Slightly pricier but justified by unparalleled safety for toddlers. It replaces multiple products (teether, sensory tool, accessory), outperforming cheaper necklaces that risk breakage or require constant supervision.
Strengths and Weaknesses: Strengths: Zero choking hazards; dual-purpose as baby teether/mom accessory; adjustable fit. Weaknesses: Limited shape variety; hand-wash only (no dishwasher); less grip diversity for older kids.
Bottom Line: Essential for infant-focused households—prioritize this if safety trumps variety, though older children might prefer textured alternatives.
9. Chew Necklaces for Sensory Kids, 6 Pack Chewy Necklace Sensory Toys for Autism, ADHD, Anxiety- Silicone Teething Necklace Oral Chew Toys for Boys Girls Adults Chewer Reduces Chewing Fidgeting
Overview: A 6-pack of patent-protected silicone chew necklaces targeting mild-to-moderate chewers, featuring diverse styles like shark teeth and donuts to redirect biting habits and ease anxiety in sensory-sensitive users.
What Makes It Stand Out: Unmatched style range (11+ designs including Mermaid and Lollipop) caters to personalized sensory needs, while patent-pending shark-tooth shapes prevent throat obstruction. Breakaway clasps and dishwasher safety balance innovation with practicality.
Value for Money: Competitive pricing for the style diversity—more cost-effective than buying individual specialty necklaces. However, thin profiles (0.4”) limit heavy chewers, slightly reducing longevity versus thicker alternatives.
Strengths and Weaknesses: Strengths: Huge design selection; portable size; diverts chewing from clothing/fingers. Weaknesses: Not ideal for aggressive chewers; clasps need supervision; limited texture depth.
Bottom Line: Best for style-conscious users needing mild chew resistance—skip if seeking heavy-duty durability, but ideal for discreet daily use.
10. Sensory Chew Necklace for Boys and Girls, 6 Pack Stretch Chewing Necklaces for Kids with Autism ADHD SPD, Oral Motor Aids Baby Chew Toys Reduce Fidgeting for Kids Chewer (6)
Overview: A 6-pack of stretchable PLA coil necklaces designed to calm fidgeting through twisting/stretching motions, targeting thumb-suckers and sensory seekers with discreet, jewelry-like anxiety relief.
What Makes It Stand Out: The flexible spiral design allows unique kinetic engagement (twisting/rolling) beyond chewing, doubling as bracelets. PLA material is eco-friendly and food-safe, while diamond-like aesthetics make it socially acceptable for school or public use.
Value for Money: Good value for multi-functional use—6 colors support role-playing or sibling sharing. However, PLA’s lower durability versus silicone means shorter lifespan, making it less economical for intense chewers.
Strengths and Weaknesses: Strengths: Versatile (necklace/bracelet); subtle school-friendly design; promotes motor skills. Weaknesses: Hand-wash only; PLA may crack under heavy chewing; not suitable for infants.
Bottom Line: Perfect for older kids needing subtle fidget tools, but silicone sets are better investments for primary chew-focused needs.
Understanding the Purpose and Realistic Expectations
What Teething Necklaces for Caregivers Actually Do
These accessories are designed to be worn by the parent or caregiver, not the baby. The concept is simple: a baby experiencing teething discomfort can safely chew on the pendant or beads within arm’s reach while being held. This provides a textured surface to soothe sore gums, offering a momentary distraction and relief, all while keeping the baby close. It’s crucial to understand they are a supervised soothing tool, not a standalone solution or a toy the baby uses alone.
Managing Expectations: Not a Magic Cure
While many parents find these necklaces helpful in specific moments, it’s vital to temper expectations. Teething is a complex, often uncomfortable process for infants, and no single item works for every baby or every stage. These necklaces might provide temporary gum pressure relief during cuddle time, but they won’t stop all fussiness or replace other proven soothing techniques like cool washcloths, gentle gum massage, or approved pain relief under pediatrician guidance. They are one potential tool in a larger toolkit.
The Critical Role of Constant Supervision
This cannot be overstated. A baby should never be left unattended with a teething necklace, even if it’s being worn by a caregiver. The baby must always be in the caregiver’s lap or arms, with the caregiver actively watching. The moment the baby drifts off to sleep, becomes drowsy, or the caregiver needs to step away, the necklace must be removed. Safety hinges entirely on unwavering, direct supervision during use.
Non-Negotiable Safety Considerations
Material Safety: Beyond Just “BPA-Free”
The materials used are the absolute foundation of safety. Look for items explicitly made from 100% food-grade silicone, medical-grade silicone, or natural wood (like untreated maple or beech) that is specifically certified for infant use. Avoid anything with paint, dyes that aren’t explicitly non-toxic and baby-safe, or materials that feel brittle, porous, or have a strong chemical odor. “BPA-free” is a basic starting point, but it’s not sufficient on its own; the entire composition must be inert and non-toxic.
Structural Integrity and Size Matters
Every component must be too large to pose a choking hazard. This means beads, pendants, and any connectors must significantly exceed the standard choke test cylinder size (typically meaning no part under 1.25 inches / 3.17 cm in diameter). Rigorously inspect the necklace for any weak points, seams, or attachments that could potentially break under chewing pressure. There should be no small parts that can detach. The clasp must be extremely secure and not something a baby could accidentally open.
Cord and Chain Safety Protocols
The cord or chain connecting the beads/pendant is a critical safety point. It must be strong enough to withstand significant pulling but designed to break away under moderate, sudden tension (like if the necklace gets caught on something). This breakaway feature is non-negotiable to prevent strangulation risk. Avoid chains that are purely decorative metal links without a certified breakaway mechanism. Ensure the cord material itself is non-toxic and strong.
Evaluating Material Choices for Function and Style
The Benefits of Food-Grade Silicone
Silicone is a popular choice for good reason. High-quality, food-grade silicone is extremely durable, easy to clean (often dishwasher safe top rack or sterilizable), and provides a satisfyingly firm yet slightly yielding texture for gums. It comes in an endless array of colors and finishes (matte, glossy, confetti), making it highly versatile for matching different styles. Ensure it’s thick enough to be chew-proof and not thin or flimsy.
Natural Wood Options: Warmth and Texture
Wooden teething beads offer a distinct, warm aesthetic and a different, harder chewing texture. Look for sustainably sourced, untreated hardwoods like maple, beech, or olive wood, finished only with food-safe oils like coconut or jojoba. Avoid any wood that feels rough, splintery, or has visible cracks. Wood requires specific care (hand washing, oiling) to prevent drying and cracking, which could create hazards.
Why Avoid Certain Materials
Steer clear of materials like acrylic, resin (unless explicitly certified as non-toxic and baby-safe – many are not), ceramic (risk of breakage), latex (allergy risk), or any fabric elements that can fray, absorb bacteria, or be easily chewed off. Cheap plastics, even if labeled “BPA-free,” often lack the durability and safety certifications needed for constant infant chewing and can degrade over time.
Design Elements That Blend Function with Fashion
Pendant vs. Bead Styles: Personal Preference
Designs typically come as a single pendant on a cord or a strand of beads. Pendants offer a bold, focal-point look and might be easier for a baby to target. Beaded strands provide more surface area for chewing and often have a more delicate, layered jewelry aesthetic. Consider which style aligns better with your typical necklines and existing jewelry collection.
Color Palettes for Everyday Wear
Think about versatility. Neutral tones (creams, taupes, soft greys, natural wood) blend seamlessly with almost any outfit. Classic metallics (rose gold, gold, silver tones using safe plating) offer a timeless, elegant touch. If you love color, consider one or two versatile shades that complement your wardrobe rather than overwhelming it. Remember, the necklace should enhance your look, not clash.
Length and Adjustability for Comfort and Safety
The ideal length allows the pendant or beads to rest comfortably on your chest when wearing baby in a carrier or while holding them, without dangling too low where it could get tangled. Many quality options feature adjustable cords. Ensure any adjustment mechanism (like knots or sliders) is secure and won’t loosen unexpectedly during use. The necklace should fit snugly enough that it doesn’t hang loosely around your neck.
Verifying Claims and Sourcing Responsibly
Decoding Safety Certifications
Don’t just take marketing claims at face value. Look for specific, verifiable certifications. Key ones include:
- FDA Compliance (for materials): Indicates the base material meets certain food-contact safety standards.
- LFGB (German standard): A stringent European food-safe certification.
- CPC (Children’s Product Certificate): Mandatory in the US for products intended for children 12 and under, certifying compliance with CPSIA safety rules (including lead, phthalates, mandatory testing). This is crucial.
- ASTM F963: The US standard for toy safety – applicable because these are mouthed by infants.
The Importance of Reputable Retailers and Makers
Purchase from sellers or brands with a clear focus on baby safety and transparency. Established baby retailers or artisans specializing in baby-safe accessories are generally safer bets than unknown marketplaces with unvetted sellers. Read the product descriptions meticulously – they should detail materials, safety standards met, and intended use clearly. Be wary of extremely low prices, which often indicate compromised materials or safety testing.
Questions to Ask Before Purchasing
- “What specific, independent safety certifications does this product have? (CPC, ASTM, etc.)”
- “Can you provide details on the exact material composition and safety testing?”
- “Is the entire necklace, including cord and clasp, certified safe for infant mouthing?”
- “What is the breakaway strength of the cord/chain?”
- “How should this be cleaned and maintained to ensure ongoing safety?”
Practical Usage and Care Guidelines
Step-by-Step Safe Usage Protocol
- Inspect: Before every use, thoroughly check the entire necklace for any signs of wear, damage, cracks, or loose parts. Discard immediately if any defect is found.
- Wear: Put the necklace on yourself before bringing the baby close for teething.
- Supervise: Hold the baby securely in your lap or arms. Actively watch them as they chew.
- Remove: Take the necklace off the moment the baby loses interest, becomes drowsy, falls asleep, or if you need to attend to anything else – even for a second.
- Store Safely: Keep the necklace completely out of the baby’s reach when not in active, supervised use.
Cleaning and Maintenance Routines
Proper hygiene is essential. Follow the manufacturer’s specific cleaning instructions. Generally:
- Silicone: Wash with mild soap and water, or place on the top rack of the dishwasher. Can often be sterilized by boiling (check manufacturer guidelines).
- Wood: Hand wash only with mild soap and a damp cloth. Never soak or put in dishwasher. Dry thoroughly immediately. Periodically condition with food-safe mineral oil or coconut oil to prevent cracking.
- Cords/Chains: Clean according to material (e.g., wipe silicone cords, avoid submerging wood). Ensure breakaway mechanisms remain functional after cleaning.
Knowing When to Retire a Necklace
Teething necklaces have a finite lifespan. Retire and replace any necklace that shows any of the following:
- Visible cracks, chips, or deep scratches (especially in wood or silicone)
- Fading color that might indicate material degradation
- A change in texture (becoming sticky, overly soft, or brittle)
- Any sign of the cord weakening or the breakaway mechanism failing
- After extended, heavy use (even if no obvious damage – better safe than sorry)
Integrating Style with Everyday Parenting
Matching to Your Existing Wardrobe Aesthetic
Consider your dominant style: minimalist, boho, classic, edgy? A simple wooden pendant suits minimalist or earthy styles. A chunky silicone bead strand in a muted tone works for casual or sporty looks. A metallic pendant offers polish for dressier occasions. Choose pieces that complement the jewelry you already wear regularly so it feels like a natural extension of your look, not an add-on.
Layering with Other Jewelry
Teething necklaces can be layered thoughtfully. Try wearing it slightly shorter than a delicate everyday chain. Avoid layering it with very long, dangling necklaces that could tangle with the teething piece or create additional hazards. Simplicity is often safest and most stylish in this context. Let the teething necklace be the functional focal point.
Confidence in Your Choice
The most important aspect of “fashion-forward” is feeling confident and authentic in what you wear. Choosing a teething accessory that aligns with your personal style and meets rigorous safety standards allows you to embrace this tool without compromise. It’s not about following every trend, but finding pieces that genuinely work for your life, your baby’s needs, and your sense of self.
Frequently Asked Questions
Frequently Asked Questions
What is the absolute most important safety feature to look for? The breakaway cord or chain mechanism is critical, as it prevents strangulation if the necklace gets caught. Combined with non-toxic, durable materials and constant supervision, this is non-negotiable.
Can my baby wear a teething necklace by themselves? Absolutely not. Teething necklaces designed for caregiver use must only be used while the baby is held securely in the caregiver’s arms with direct, constant supervision. Never place one on the baby to wear independently.
How often should I replace my caregiver teething necklace? Inspect it before every use. Replace it immediately if you see any cracks, chips, deep scratches, texture changes, or weakened cords. Even without visible damage, consider replacing it every 3-6 months with regular use, as materials can degrade internally.
Are wooden teething necklaces safe? Yes, only if made from solid, untreated hardwoods (like maple or beech) finished with food-safe oils, and free from any paint, stain, or sealant not explicitly certified non-toxic for infants. Avoid soft woods or any with visible imperfections.
What’s the difference between food-grade and medical-grade silicone? Medical-grade silicone generally undergoes even more rigorous testing for purity and biocompatibility, often making it a slightly higher standard. Both can be safe for teething if certified appropriately, but medical-grade is commonly used in premium baby products.
How do I know if a seller’s safety claims are legitimate? Demand specifics. Look for verifiable certifications like CPC (mandatory in the US), ASTM F963, LFGB, or FDA compliance documentation. Reputable sellers provide this information clearly; vague claims like “baby-safe” without proof are red flags.
Can I sterilize a silicone teething necklace by boiling it? Most high-quality food-grade or medical-grade silicone teething necklaces can be safely boiled for sterilization, but always check the manufacturer’s specific care instructions first, as some dyes or components might be affected.
Is a longer necklace safer than a shorter one? Not necessarily. The ideal length allows the chewing surface to rest comfortably on your chest while holding the baby, without dangling low enough to pose tangling risks. Adjustability is helpful, but focus on secure fit and breakaway safety over length alone.
What should I do if a bead or part breaks off during use? Stop using the necklace immediately. Remove it from the baby’s reach and inspect the entire piece. Discard the necklace if any part is damaged or missing; do not attempt to repair it for continued use with a baby.
Can I wear a teething necklace while sleeping with my baby? No. Teething necklaces must be removed whenever the caregiver or baby becomes drowsy or falls asleep, as the risk of entanglement or the baby mouthing it unsupervised increases significantly during sleep. Safety requires constant wakeful supervision.