Ever tossed and turned through the night, feeling like you’re trapped in a sauna? You’re not alone. Millions struggle with overheating during sleep, a frustrating cycle that leaves you drenched, exhausted, and desperate for relief by morning. It’s more than just discomfort; consistent night sweats disrupt your sleep cycles, preventing you from reaching the deep, restorative stages essential for physical recovery and mental sharpness. The good news is that finding cooler sleep isn’t about drastic measures or expensive gimmicks – it’s about understanding the science of sleep thermoregulation and making strategic, intelligent choices in your sleep environment.
The quest for a cool night’s rest starts with recognizing that your bedding and sleep setup are active participants in your body’s natural cooling process. While factors like room temperature and humidity matter, the materials touching your skin and the structure of your sleep surface play a massive, often underestimated role. Lightweight sleep solutions aren’t just about thin fabrics; they involve innovative textiles, breathable constructions, and smart design principles that actively wick moisture and dissipate heat. Forget enduring another sticky night – this guide dives deep into the essential features and considerations to transform your bed into a sanctuary of cool, comfortable sleep, helping you finally stay dry and drift off peacefully.
Top 10 Lightweight Sleepers
Detailed Product Reviews
1. Burt’s Bees Baby Sleep and Play PJs, 100% Organic Cotton One-Piece Zip Front Romper Jumpsuit Pajamas
Overview: This organic cotton one-piece romper offers a practical sleep-to-play solution for newborns up to 9 months. Designed with comfort and functionality in mind, it prioritizes gentle materials and ease of use for sensitive infant skin during restless nights or active days. What Makes It Stand Out: The GOTS-certified 100% organic cotton ensures exceptional breathability and eco-consciousness, while the innovative “bee grip” footies provide crucial traction for early crawlers. The diagonal zipper and generous gusset significantly simplify diaper changes and unrestricted movement, setting it apart from basic footed pajamas. Value for Money: Positioned at a premium price point, it justifies cost through certified organic materials, thoughtful safety features, and durable construction. While pricier than conventional cotton PJs, the health-conscious fabric and unique non-slip soles offer superior long-term value for eco-aware parents. Strengths and Weaknesses: Strengths: Hypoallergenic organic cotton, effective non-slip footies, roomy loose fit, easy-diaper zipper. Weaknesses: Organic cotton may shrink slightly if not washed carefully, limited color/pattern options compared to competitors, footies may be too warm for hot climates. Bottom Line: Highly recommended for parents prioritizing organic materials and safety. The bee grip soles and thoughtful design make it a worthwhile investment for comfortable, secure sleep and play, despite the higher cost.
2. RRP Unisex Baby Footies Pajamas,Rayon Derived From Bamboo,Buttery Soft Sleep ‘N Play PJs,2-Way Zipper Closure,0-18 Months (Grey/BlueGrey/Sage, 0-3 Months)
Overview: These gender-neutral bamboo rayon footed pajamas cater to infants 0-18 months, emphasizing extreme softness and practicality. The unisex design in muted tones focuses on comfort and ease of care for everyday wear, from naps to playtime. What Makes It Stand Out: The standout feature is the luxurious, buttery-soft texture of the bamboo-derived rayon, known for its temperature regulation and silky feel against delicate skin. The dual-direction zipper is exceptionally smooth for effortless diaper access, and the fabric’s natural stretch accommodates growth spurts. Value for Money: Offering competitive pricing for bamboo fabric quality, it delivers excellent softness and functionality. While bamboo care (cold wash, hang dry) requires attention, the durability and comfort-to-cost ratio surpass basic cotton alternatives, making it a smart buy for sensitive skin. Strengths and Weaknesses: Strengths: Unmatched softness, breathable temperature control, smooth dual zipper, gender-neutral styling, stretchy comfort fit. Weaknesses: Requires delicate washing/air drying, sole grips only on larger sizes (9M+), bamboo fabric may pill over time with improper care. Bottom Line: A top choice for softness and comfort. Ideal for parents seeking gentle, eco-friendly fabric and easy diaper changes, though the care routine demands diligence. Excellent value within the bamboo sleepwear category.
3. Aablexema Baby Footie Pajamas with Mitten Cuffs, Double Zipper Infant Cotton clothes Sleeper Pjs, Footed Sleep Play (0-3m, Ivory & Grey & Blue)
Overview: This 3-pack cotton footed sleeper set provides affordable, practical sleepwear for infants 0-12 months. Focusing on safety and convenience, it includes essential features like mittens and double zippers across multiple seasonal colors. What Makes It Stand Out: The inclusion of reversible mitten cuffs (0-24M) prevents scratching without separate mittens, and the ankle-to-chin double zipper with safety tabs streamlines dressing. Offering three cotton sleepers at a bundled price enhances its appeal as a cost-effective starter kit. Value for Money: Exceptional value due to the triple-pack format. Pure cotton construction ensures breathability at a budget-friendly cost, though requiring delicate washing. It outperforms single-packs in utility for newborn essentials, making it perfect for baby showers or large families. Strengths and Weaknesses: Strengths: Cost-effective 3-pack, skin-friendly cotton, practical mitten cuffs, versatile double zipper, ideal gift option. Weaknesses: Cotton prone to shrinkage if not washed cold/line dried, lacks non-slip grips for early crawlers (0-9M), zippers may snag delicate fabric. Bottom Line: Highly recommended for value-focused parents needing multiple sleepers. The mittens and zipper design excel for newborns, though care instructions require strict adherence. A practical, economical choice for everyday use.
4. Simple Joys by Carter’s Baby Girls’ 2-Pack 2-Way Zip Textured Sleep and Play, Plum/Floral, 3-6 Months
Overview: This Carter’s 2-pack offers stylish, textured sleep-and-play outfits designed specifically for baby girls aged 3-6 months. Combining affordability with Carter’s trusted quality, it targets parents seeking cute, functional everyday wear. What Makes It Stand Out: The charming floral and plum prints on soft textured fabric provide visual appeal rarely matched in basic sleepers. The dual-direction zipper with protective chin tab ensures safety during rapid diaper changes, while the 2-pack delivers immediate wardrobe variety and convenience. Value for Money: Outstanding value through the 2-for-1 bundle. Carter’s durability means these withstand frequent washing, and the textured fabric feels premium without a luxury price. It’s significantly more economical than buying two high-end single sleepers, ideal for budget-conscious parents. Strengths and Weaknesses: Strengths: Adorable gender-specific prints, excellent 2-pack value, soft textured fabric, safe chin-protected zipper, Carter’s reliability. Weaknesses: Limited to girl-specific designs, textured fabric may feel slightly less smooth than bamboo, no non-slip foot details. Bottom Line: A fantastic buy for parents wanting stylish, practical sleepwear. The print variety and zipper safety make it a daily essential, offering the best value in Carter’s affordable range for growing infants.
5. Aablexema Baby Footless Pajamas Zipper with Mitten, Rayon from Bamboo, Infant Long Sleeve Romper Pjs (US, Age, 12 Months, 18 Months, Grey & Light Green)
Overview: These footless bamboo rayon rompers provide versatile, year-round sleepwear for toddlers 12-24 months. Designed for freedom of movement and temperature adaptability, they feature reversible mittens and dual zippers for extended use. What Makes It Stand Out: The footless design is ideal for warmer rooms or active toddlers who kick off covers, while the bamboo rayon/spandex blend offers exceptional stretch, softness, and moisture-wicking. Reversible mittens (up to 24M) and a protective inner zipper tab enhance safety and longevity. Value for Money: Priced moderately for bamboo fabric, the footless style extends usability across seasons, reducing the need for multiple sleep sets. The durable construction and multi-occasion use (sleep, photos, outings) justify the cost better than seasonal footed pajamas. Strengths and Weaknesses: Strengths: Footless versatility for all climates, ultra-soft bamboo-spandex blend, long-lasting mittens, dual zipper ease, multi-scene suitability. Weaknesses: Lack of foot coverage may require socks in cool weather, bamboo requires gentle washing, limited size range (starts at 12M). Bottom Line: Strongly recommended for toddlers transitioning out of footed sleepers. The bamboo comfort and footless design solve common overheating issues, making it a smart, adaptable investment for year-round comfort.
6. Amazon Essentials x Sofia Grainge Unisex Babies’ Snug-Fit Cotton Footed Pajamas, Pack of 2, Ivory/Pale Green, Newborn
Overview: This pack of two newborn pajamas results from Amazon Essentials’ collaboration with stylist Sofia Grainge, offering simple, safe sleepwear designed for infants up to 1 month. Made with safety compliance as a priority, they adhere to snug-fit regulations.
What Makes It Stand Out: The collaboration brings subtle, stylish aesthetics (ivory/pale green micro-rib) uncommon in basic sleepwear. Key features include a full ankle-to-chin one-way zipper for easy dressing, anti-slip dots on foot soles, and soft midweight cotton with gentle stretch. The snug fit meets safety standards without chemical flame retardants.
Value for Money: Priced competitively for a two-pack, it offers quality cotton construction and thoughtful details like ribbed cuffs. While not the cheapest option, the collaboration design and durable fabric justify the cost over generic alternatives, especially for parents prioritizing aesthetics alongside safety.
Strengths and Weaknesses: Strengths: Ultra-soft, breathable cotton; effective anti-slip soles; elegant colorway; easy zipper access; excellent snug fit for safety. Weaknesses: Only two included (some competitors offer 3-4); one-way zipper limits diaper changes compared to two-way designs; limited color options.
Bottom Line: An excellent choice for style-conscious parents seeking safe, high-quality newborn pajamas. The snug fit and premium details make it worth the investment, though those needing more quantity might prefer bulk packs.
7. Onesies Brand baby boys 4-pack ‘N Plays Footies and Toddler Sleepers, Blue Dino, 0-3 Months US
Overview: This 4-pack of infant footed sleepers from the trusted Onesies brand delivers reliable basics for newborns to 3-month-olds, featuring a playful blue dinosaur print and designed for practical, everyday use.
What Makes It Stand Out: The standout feature is the generous 4-piece value pack, significantly reducing cost per unit. Functional elements include smooth front zippers for rapid changes, a protective safety tab at the zipper top to prevent chin irritation, and the iconic Onesies durability. The dino print adds cheerful character.
Value for Money: Exceptional value due to the four-unit pack at a budget-friendly price point. It undercuts many 2- or 3-packs on the market while maintaining the brand’s reputation for durability through washes. Ideal for cost-conscious parents needing multiple sleepers for frequent changes.
Strengths and Weaknesses: Strengths: High quantity (4-pack) for price; reliable, soft cotton; easy zipper access; safety tab prevents chafing; classic, durable Onesies construction. Weaknesses: Basic design lacks advanced features (e.g., two-way zippers, anti-slip soles); print may fade over time; standard snug fit without unique comfort elements.
Bottom Line: A top recommendation for parents seeking affordable, no-frills, dependable sleepwear. The 4-pack offers unbeatable value for daily essentials, though those desiring premium features should look elsewhere.
8. GUISBY Baby Footless Pajamas, Rayon made from bamboo Short Sleeve with Zippers Snug Fits 3 Piece Sleepers 0-3 Months
Overview: GUISBY’s 3-piece set offers eco-conscious footless pajamas for infants (0-3M), crafted primarily from soft bamboo-derived rayon, emphasizing skin gentleness and breathable comfort for sleep or play.
What Makes It Stand Out: The 95% bamboo rayon/5% spandex blend provides exceptional softness and breathability, ideal for sensitive skin. Unique features include fold-over flap cuff gloves (preventing scratches and adding warmth) and ankle elastic to stop pants from riding up. The footless design promotes unrestricted movement.
Value for Money: Priced moderately for a 3-pack, the premium bamboo material justifies the cost over standard cotton, offering superior comfort and temperature regulation. It competes well with other eco-friendly brands, providing good longevity as it retains softness after washes.
Strengths and Weaknesses: Strengths: Luxuriously soft, breathable bamboo fabric; useful flap cuff gloves; secure ankle elastic; footless design aids mobility; retains shape and softness; versatile for gifting. Weaknesses: Footless style offers less warmth (unsuitable for cold climates); bamboo requires gentle washing; no two-way zipper for diaper changes.
Bottom Line: Highly recommended for warm climates or parents prioritizing ultra-soft, eco-friendly fabric. The thoughtful details add value, but cold-weather families may prefer footed options.
9. Gerber Baby Girls 2-Pack Footed Pajamas, Love Pink, 12 Months
Overview: Gerber delivers a straightforward 2-pack of footed pajamas for 12-month-olds, featuring a sweet “Love Pink” design and focusing on essential safety and convenience for toddler sleep.
What Makes It Stand Out: Gerber’s reputation for quality baby basics shines here. It adheres strictly to snug-fit safety standards, includes practical front zippers for easy changes, and features a comfort-focused safety tab at the zipper top to prevent skin irritation—core functionality without fuss.
Value for Money: Solid mid-range value. While not the cheapest 2-pack, Gerber’s durability and consistent sizing ensure longevity through washes and wear. It’s competitively priced against similar branded options, offering reliable performance without premium markup.
Strengths and Weaknesses: Strengths: Trusted Gerber quality and fit; snug design meets safety regulations; smooth zippers with protective tab; soft, durable cotton; simple, feminine design. Weaknesses: Only two included; lacks innovative features (e.g., two-way zippers, anti-slip soles); limited to pink design; basic cotton without advanced breathability.
Bottom Line: A dependable, safe choice for parents wanting hassle-free toddler sleepwear from a trusted brand. Best for those valuing simplicity and safety over cutting-edge features.
10. Unnivoll Baby Pajamas 100% Cotton Baby Sleepers for 3-6 Months 3Pcs Footie Pajamas Baby Boys Girls Clothes, Soft Infant Footed PJs with Mitten Cuffs, Two Way Zipper, Long Sleeve
Overview: Unnivoll’s 3-pack offers versatile 100% cotton footed sleepers for 3-6 month olds, emphasizing safety, comfort, and practicality with features designed for newborn-to-infant transitions.
What Makes It Stand Out: The standout elements are the convertible fold-over mitten cuffs (preventing scratches) and the highly functional two-way zipper enabling effortless diaper changes. Certified safe, breathable cotton ensures comfort for sensitive skin, while footed warmth and ankle grip keep babies cozy.
Value for Money: Excellent value as a 3-pack of feature-rich sleepers at a reasonable price. The inclusion of mittens, two-way zippers, and safety certification surpasses many competitors’ offerings in this range, making it a cost-effective long-term solution.
Strengths and Weaknesses: Strengths: Premium 100% cotton comfort; essential two-way zipper; protective mitten cuffs; secure footed design; CPSC safety certified; retains softness after washing. Weaknesses: Mittens may not suit all climates; cotton requires careful washing to prevent shrinkage; packaging weight slightly high for shipping.
Bottom Line: The top recommendation for newborn-to-infant sleepwear, combining critical safety features, convenience, and comfort. Its thoughtful design justifies the price for parents seeking all-in-one functionality.
Understanding Why You Overheat at Night
The Science of Sleep Thermoregulation
Your core body temperature naturally dips as part of the sleep onset process. When your sleep environment traps too much heat or moisture, it disrupts this critical drop, forcing your body into cooling mode through sweating. This battle against overheating prevents you from sinking into deeper, more restorative sleep stages, leading to frequent awakenings and non-refreshing sleep. Understanding this biological need for a cooler core is the first step towards finding solutions.
Common Culprits Behind Nighttime Sweating
Beyond the obvious like a stuffy room, numerous factors contribute to overheating. Synthetic bedding materials (like polyester) trap heat and moisture instead of releasing it. Mattresses with dense foams or inadequate airflow act like insulation. Even your pajamas can be a hidden offender if made from non-breathable fabrics. Medical conditions and certain medications can also play a role, but for many, the primary issue lies within the sleep environment itself.
The Impact of Humidity on Sleep Comfort
High humidity levels are a silent sleep killer. Moisture in the air impedes your body’s natural evaporative cooling – the very process that makes sweat effective. In humid conditions, sweat doesn’t evaporate efficiently, leaving you feeling clammy and sticky even if the air temperature seems moderate. Managing humidity, alongside temperature, is crucial for truly cool sleep.
Key Features to Look for in Cooling Mattresses
Breathable Core Materials Matter Most
The foundation of a cool sleep surface is the mattress core’s ability to allow air circulation. Look for designs incorporating open-cell foams, responsive latex (especially Talalay), or advanced coil systems with significant space between wires. These structures prevent heat from becoming trapped within the mattress itself, allowing warm air to escape upwards and cooler air to circulate below.
The Role of Phase Change Materials (PCMs)
Some advanced mattresses integrate Phase Change Materials into their comfort layers or covers. PCMs absorb, store, and release heat as they change state (solid to liquid and back). This technology actively draws heat away from your body during the initial warm-up phase of sleep, providing a measurable cooling effect that traditional foams cannot match.
Importance of Edge Ventilation and Airflow Channels
Don’t overlook the sides and base of the mattress. Features like breathable border fabrics, perforated foam encasements, or structured airflow channels along the edges significantly enhance overall ventilation. This prevents heat buildup specifically around the perimeter where body contact is frequent, contributing to a more uniformly cool sleeping surface.
How Mattress Thickness Affects Temperature
Thicker mattresses aren’t inherently cooler. In fact, excessive depth, especially with dense memory foam layers, can create more insulating material trapping heat close to the body. Optimal cooling often comes from well-designed medium-profile mattresses that prioritize strategic airflow and breathable materials over sheer bulk. Balance support needs with thermal efficiency.
Essential Characteristics of Cooling Bedding
Natural vs. Engineered Fabrics: What Works Best
Natural fibers like high-thread-count cotton (especially percale weave) and linen offer excellent breathability and moisture-wicking. However, advanced engineered textiles often outperform them. Look for fabrics made from Tencel (lyocell), modal, or specialized bamboo-derived fibers. These combine the softness of synthetics with the breathability and superior moisture management of natural fibers, actively pulling sweat away from the skin.
The Critical Weave Structure You Should Know
The way threads are woven dramatically impacts airflow. Percale weave (one-over, one-under) creates a crisp, lightweight, and highly breathable fabric perfect for warm sleepers. Sateen weave, while smoother, is denser and less airy. Avoid flannel or brushed finishes for summer; they add loft that traps heat. Open weaves like dobby or jacquard can also enhance breathability in certain sheet sets.
Why Thread Count Isn’t the Whole Story
A common misconception is that higher thread count equals better sheets. For cooling, moderate thread counts (200-400) in percale weave are often ideal. Extremely high thread counts (600+) usually mean finer, denser threads that block airflow. Focus on the fiber type and weave structure first; thread count is secondary for temperature regulation.
The Underrated Power of Lightweight Duvets and Covers
Swap heavy down comforters for options filled with breathable materials like silk, bamboo, or specialized cooling gels. Look for lightweight synthetic fills designed for temperature neutrality. The duvet cover itself should also be made from breathable fabric like cotton percale or Tencel. Consider a simple top sheet as an extra layer that can be easily adjusted without adding significant bulk.
Smart Sleep Accessories for Temperature Control
Cooling Pillow Technology Explained
Pillows are a major heat trap. Gel-infused memory foam pillows pull heat away from your head and neck. Shredded latex or kapok fiber pillows offer inherent breathability and airflow. Buckwheat hull pillows provide exceptional ventilation and customizable support, though they have a distinct feel. Avoid solid memory foam pillows without cooling enhancements.
The Benefits of Mattress Toppers for Heat Relief
A well-chosen topper can transform an overheating mattress. Opt for breathable materials like natural latex (Talalay is cooler than Dunlop), thin layers of gel-infused foam, or even a wool topper (yes, wool! It wicks moisture effectively). Avoid thick memory foam toppers, which often exacerbate heat retention. Toppers should enhance, not insulate.
Weighted Blankets: Are They Suitable for Hot Sleepers?
Traditional weighted blankets are notorious heat traps. However, newer options designed specifically for temperature control exist. Look for blankets with breathable covers (cotton, bamboo) and fillings like glass beads instead of plastic poly pellets, often combined with cooling fabric technologies. Even then, hot sleepers should choose the lightest weight option possible or consider alternatives.
Optimizing Your Sleep Environment
Ideal Room Temperature Settings for Cool Sleep
The National Sleep Foundation recommends a bedroom temperature around 60-67°F (15.6-19.4°C) for most people. This cooler ambient temperature supports your body’s natural dip in core temperature. Use a reliable thermometer (not just the thermostat) to monitor actual room conditions, especially near the bed.
Strategic Use of Fans and Air Circulation
Beyond lowering the thermostat, proper air movement is key. Position a ceiling fan to run counter-clockwise in summer to push air down. A well-placed box fan or tower fan near an open window can create cross-ventilation. Even a small fan directed at your feet can significantly enhance evaporative cooling without making you feel too cold.
Developing Sustainable Cool Sleep Habits
Pre-Bedtime Cooling Rituals That Work
Lower your core temperature before bed. Take a lukewarm (not cold) shower about 90 minutes before sleep; the subsequent cooling of your body mimics the natural nocturnal drop. Avoid intense exercise or hot meals close to bedtime. Sip cool (not icy) water. These habits signal to your body that it’s time to cool down for sleep.
Hydration’s Role in Nighttime Temperature Regulation
Being properly hydrated supports your body’s natural sweating and cooling mechanisms. However, avoid chugging large amounts right before bed to prevent disruptive bathroom trips. Consistent hydration throughout the day ensures your system has the fluid it needs for efficient thermoregulation overnight.
The Impact of Sleepwear Choices
Ditch tight-fitting pajamas made from synthetics. Choose loose-fitting sleepwear made from natural, breathable fibers like cotton, linen, or moisture-wicking bamboo. Many find sleeping with minimal clothing (or even nude) under breathable sheets to be the coolest option, allowing maximum skin exposure to airflow.
Long-Term Considerations for Year-Round Comfort
Seasonal Bedding Rotation Strategies
Smart sleepers treat their bedding like a wardrobe. Rotate heavy flannel sheets and down comforters in winter with lightweight percale cotton or linen sheets and a bamboo-filled duvet in summer. Having dedicated summer and winter sleep setups ensures optimal comfort without compromise as seasons change.
Evaluating Mattress Longevity and Cooling Performance
Over time, even initially breathable mattresses can lose cooling efficiency as materials break down or dust mites accumulate within the structure. Notice if your mattress feels noticeably warmer after several years? This could signal reduced airflow and be a factor in worsening night sweats, potentially indicating it’s time for replacement focused on thermal management.
Frequently Asked Questions
How do I know if my mattress is causing me to overheat?
Signs include consistently waking up drenched in sweat despite a cool room, feeling trapped in heat when lying down, or noticing your mattress lacks visible airflow channels and uses dense memory foam without cooling gels or breathable covers.
Are bamboo sheets actually cooler than cotton?
High-quality bamboo-derived fabrics (like viscose from bamboo or bamboo lyocell/Tencel) often have superior moisture-wicking and breathability compared to standard cotton, making them feel cooler and more comfortable for hot sleepers, especially in humid conditions.
Can a weighted blanket ever be cool enough for summer?
Yes, but only specific cooling-weighted blankets designed with breathable covers (cotton, bamboo) and fillings (glass beads), combined with the lightest possible weight (5-10 lbs), might be tolerable for some. Most standard weighted blankets are too hot for summer.
Do cooling gel pillows really work, or is it a gimmick?
Gel-infused pillows can provide an initial cooling sensation and help draw heat away from the head and neck. While the gel won’t stay “cold” indefinitely, it actively dissipates body heat better than standard memory foam, offering tangible relief for many hot sleepers.
Is sleeping naked under sheets actually cooler?
For most people, yes. Eliminating sleepwear removes a layer that can trap heat and moisture against the skin, allowing maximum airflow and evaporative cooling directly from the body to the breathable sheets.
How important is humidity control for cool sleep?
Extremely important. High humidity prevents sweat from evaporating, making you feel much hotter and stickier. Using a dehumidifier in humid climates, especially in the bedroom, is often as crucial as lowering the temperature for achieving comfortable sleep.
What’s the best type of mattress for someone who sweats a lot?
Mattresses featuring responsive latex (especially Talalay), advanced coil systems with excellent airflow, or hybrid designs with breathable foams and cooling covers typically perform best. Avoid all-foam mattresses with thick, dense memory foam layers unless they specifically feature robust cooling technologies.
Can my pajamas make a significant difference in night sweats?
Absolutely. Tight-fitting synthetics like polyester trap heat and moisture. Choosing loose, lightweight sleepwear made from natural, breathable fibers like cotton, linen, or moisture-wicking bamboo can dramatically improve airflow and reduce overheating.
Should I avoid memory foam entirely if I sleep hot?
Not necessarily. Modern memory foam often incorporates graphite, copper gel infusions, or open-cell structures designed to enhance breathability. Look for memory foam options explicitly marketed with advanced cooling features rather than traditional dense, heat-trapping varieties.
How can I cool down fast if I wake up overheated in the middle of the night?
Place a cool, damp washcloth on pulse points (wrists, neck). Drink a small sip of cool water. Kick off covers and lie on your side to maximize skin exposure to air. If safe, briefly open a window for a breeze. Avoid drastic temperature changes that might shock your system.