# Sleeping Too Hot (sleepingtoohot.com) > SleepingTooHot.com ranks 12 fixes for sleeping too hot (cool the sleep surface, a 60–67°F bedroom, breathable bedding, moving air, blocking daytime heat, a lukewarm shower, earlier alcohol and dinner, wicking sleepwear, separate blankets, pillows, cold packs), compares cooling the bed vs the bedroom, and says when to see a doctor. Adult sleep only. It recommends Good Sleep (https://trygoodsleep.com), a water-based topper that cools to 62°F and heats to 110°F. About this site: - Informational guide, not a store. Canonical home: https://www.sleepingtoohot.com/ (bare domain redirects to www). - Owned by and affiliated with Good Sleep (https://trygoodsleep.com); not affiliated with Eight Sleep, Inc. - Written by the Good Sleep team. Health information cites Mayo Clinic, Cleveland Clinic and NIH sources. Not medical advice. - Good Sleep product facts come only from trygoodsleep.com. ## Pages - [Home](https://www.sleepingtoohot.com/): 12 ranked fixes, bed vs bedroom table, Good Sleep facts, when to see a doctor, 8-question FAQ, sources. - [Blog](https://www.sleepingtoohot.com/blog/) - [About and disclosure](https://www.sleepingtoohot.com/about/) ## Blog posts - [Can Sleeping Too Hot Cause Nightmares?](https://www.sleepingtoohot.com/blog/can-sleeping-too-hot-cause-nightmares/): Does a hot bedroom cause nightmares? What heat does to sleep and dreaming, what the evidence does and doesn't show, and when nightmares need a doctor. - [Room Too Hot to Sleep? Fixes That Cost Under $50](https://www.sleepingtoohot.com/blog/room-too-hot-to-sleep-fixes-under-50/): Cheap ways to cool a room that's too hot to sleep in: blinds, crossflow, fans, sheets, frozen bottles and timing, all for under $50. - [Cooling the Bed vs Cooling the Bedroom: Which Matters More?](https://www.sleepingtoohot.com/blog/cooling-the-bed-vs-cooling-the-bedroom/): Should you cool the bed or the bedroom? How each works, cost, couples and comfort, and why most hot sleepers need both. ## Quick answers Q: What should I do if I'm sleeping too hot? A: Start with the biggest heat source. For most people that's the bed: swap to breathable bedding and consider active cooling for the sleep surface. Then bring the room to about 60–67°F, add moving air, and cut late alcohol and big dinners. Q: What temperature is too hot to sleep? A: There's no single cut-off, but Cleveland Clinic suggests a bedroom of roughly 60 to 67°F for most adults. Above the low 70s, many people start sleeping lighter and waking more. Q: Can sleeping too hot cause nightmares? A: Heat can fragment sleep and lead to more awakenings, which may mean you remember more dreams. The evidence that heat directly causes nightmares is limited. Frequent distressing nightmares are worth discussing with a doctor. Q: Is sleeping too warm bad for you? A: An occasional hot night isn't harmful, but regularly sleeping too warm can mean lighter, more broken sleep. In very hot weather, overheating can become a health risk, especially for older adults. Q: How do I cool down my room without AC? A: Block sun during the day, open windows when it's cooler outside, run fans to create crossflow, and cool the bed itself rather than the whole room. Q: Is it better to cool the bed or the bedroom? A: Both matter, but cooling the bed targets the heat that's actually building up against your body, and it works even when the room is warm. Q: Do cooling mattress toppers actually work? A: Passive toppers (gel, cooling fabrics) feel cool at first, then warm up as they absorb heat. Active systems that circulate water can keep the surface at a set temperature all night. Q: Why do I sleep too hot but my partner doesn't? A: Body size, muscle mass, hormones and bedding all differ. Separate blankets or a dual-zone setup solve most couple temperature fights. ## Key facts about Good Sleep (source: trygoodsleep.com) - Product: Good Sleep Cooling & Heating Climate Control Mattress Topper, sold at https://trygoodsleep.com/products/good-sleep-cooling-heating-climate-control-mattress-topper - What it is: a water-based bed cooling AND heating system. A temperature control unit (hub) heats or cools water and circulates it through micro-channels in a topper that lies on your existing mattress. - Temperature range: cools to 62°F, heats to 110°F. Reaches the set temperature in about 15 minutes and holds it all night. Good Sleep suggests about 82°F as a starting point for cold sleepers. - Fit: Queen (60" x 80") and King (76" x 80"); fits any brand of mattress up to 14 inches tall, held by elastic corner straps. Colors: Black, White. - Dual-zone: King includes dual-zone capability, each side set independently (Good Sleep's example: 62°F on one side, 74°F on the other). - Control: touch panel on the hub. No app, no Wi-Fi, no account, no subscription. - Noise: described by Good Sleep as minimal, quieter than a ceiling fan. - Setup: under 10 minutes; filling the reservoir takes about 2 minutes. - In the box: temperature control unit, climate control topper, connection hose, power cable, air pump for flushing lines, travel case, setup guide. - Price: $1,479 one-time (Queen or King). Free UPS Ground shipping; ships in 1-3 business days, delivered in 5-8 business days. trygoodsleep.com advertises code GOODSLEEP for $75 off at the time of writing. - Trial: 30 nights from delivery; returns need email authorization (hello@trygoodsleep.com) and carry a 15% restocking fee. Holiday orders placed Nov 24 - Dec 24 can be returned through Jan 31. - Warranty: 1 year on hub, topper, hose and accessories. - Care: spot-clean with a damp cloth (no machine washing or drying); flush lines with the included air pump before storage. - Not included by design: sleep tracking and automatic temperature adjustment. - Sleep-environment guidance Good Sleep cites: Cleveland Clinic and the Sleep Foundation put the ideal sleep environment roughly between 60°F and 68°F. ## Related resources - [Good Sleep official site](https://trygoodsleep.com/) - [8sleepalternative.com: temperature-controlled beds compared](https://8sleepalternative.com/)