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Chilipad is a complete lifesaver. I am a hot sleeper (sweat in a 55 degree room with just a sheet), and it can keep me so cold that I shiver if I don't turn it up.

It's a super chintzy product, not well made at all, but I am unaware of any substitute for it at any price or quality.



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I can confirm that the Chilipad and weighted blanket combination is great for making sure that you're not too warm at night. Combined with blackout curtains, it's great for getting a good night of sleep.

I've been wondering about things like this for a while. I run hot and sleep much better in cold temperatures (looking forward to cold winter nights). A weighted blanket helps, but I'll definitely look into the chili pad and bed jet. Thanks for mentioning!

Perhaps get a chilli pad sleep cooling system for your bed

Heating and cooling my bed has been such a game changer for me.

I don’t have this bed. But I use the bed jet and chili pad. It’s great if you like to sleep with a lot of blankets without sweating. I like both. Neither tracks my sleep, use, or have ever been connected to the internet.


Have a google for chillow, it's a product for having a cold pillow for longer.

My low-tech keep-warm solution this past winter was the mighty hot water bottle. It cost $5 from some knick-knack store and it does an excellent job of keeping my sheets warm until long after I've fallen asleep. It saved me from shelling out for an electric blanket.

So, full disclosure: this is something I’m familiar with from an ad on one of my favorite podcasts. I have not investigated this product or its claims. There’s a product called the Pod Cover by 8 Sleep, and allegedly it helps regulate your body temperature in a “smart” way. I will be looking into it for my partner, as she tends run very hot in bed even with the AC cranked up. I prefer sleeping cool, but I don’t have any issues with that personally with sufficient AC.

Heated Mattress Pad. It's like an electric blanket built into your bed, with dual temperature zones and an on/off timer.

As someone in a northern climate with a less-than-ideally insulated house its a life changer.


Consider a heated mattress pad. It's like a heated blanket, but underneath you.

I'm not sure about a cooling system, but heated blankets/mattress pads exist for pretty cheap ($10ish.)

Anyone know if there's an inexpensive way to cool a mattress? I found the "ChiliPad" for US$450, with discount codes taking that to $336, which is still way more expensive than any heating pads.

Everything else I've found just seems to be mattress pads with cooling fabrics, which just feel cool to the touch and don't actually cool you down.


Do you know know the air temperature in your room?

I can't imagine sleeping on something so cold. Just tonight I had to put on T-shirt in the middle of the night because it felt a bit cold, even though the air temperature was around 26 degrees Celsius (I have a digital thermometer next to my bed). I don't use a blanket at these temperatures though, just a thin bed sheet.

Do you use chillpad to be able to use the heavy blanket even though it's not cold inside the room?


Thank you! I will look into it. I found something similar from a company called WoodyKnows I think. But the Amazon reviews were not positive so I ended up not ordering it. I usually like sleeping without a shirt and will probably be hot sleeping with something like this. But I guess it's worth trying at least if I can return it.

One reviewer mentioned their best solution was buying a vest and sewing a few pockets in the back for tennis balls.


There’s actually another company called SleepMe (or maybe that’s the product…?) that makes a mattress cover that’s water cooled (or warmed)

As a night shifter it’s completely life changing in allowing me to sleep comfortably during the day. 100% worth the price to me


I have an eightsleep, which cools the bed down dramatically (circulates cold water). Makes a huge difference in my ability up sleep.

Umberto Eco wrote about something similar in one of his La Bustina di Minerva columns (available in english as "How To Travel With A Salmon: and Other Essays"):

I am struck (but i hope not literally shocked) by Omniblanket, which costs all of $150. At the simplest level, it is an electric blanket, but it can be programmed so that the temperature varies from one part of your body to another. In other words, if during the night your back feels cold but your groin tends to sweat, you adjust the program accordingly. Omniblanket will then keep your back warm and your groin cool. If you are nervous and toss and turn in your sleep, ending up with your head at the foot, then your're just out of luck. You will roast your testicles or whatever your have in that area, depending on your sex. I doubt the inventor can be asked to make improvements, because it seems he was burned to a cinder some time ago.

But he didn't anticipate the internet of things and the quality of the software coming with it. I expect the bed's software (necessary for the app) to be as insecure as they come. Lots of potential for midnight pranks by neighbors.


I was once gifted an electric mattress pad. Once I got over my own eyerolling it turned out to be pretty amazing. I was lying in a drafty, poorly insulated farmhouse in Wisconsin at the time (so maintaining a comfortable sleeping temp. was difficult). The ability to warm up the bed before getting in was very helpful (as is being able to "dial in" sleeping temp. separately from the thickness of blankets).

I posted this separately, but look into a heated mattress pad too. Its life changing for cold climates. Direct heat into your covers makes it so much cozier.

An evaporative cooler (a "swamp cooler") can help get you a few more degrees cooler if that's all you need.

Im also pretty fond of Purple products (their original pillow and any of their mattresses) as they don't get much warmer when you use them.


For hot sleepers, this can be immensely difficult to get right. I struggled with insomnia for months in part due to the fact that temperature fluctuated as the convecs heater sucks. Best results were to keep the room cool enough that I could sleep with a sheet and light comforter. Having the comforter "partially" covering when I felt hot doesn't work. Layering sheets doesn't work either, as by the time you've piled enough, it traps too much heat which doesn't escape.

I tell you, it's all such a head ache.

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