"People who sleep in hot environments have been found to have elevated levels of the stress hormone cortisol the next morning.... A study of people with a sleep disorder found that they slept longer in temperatures of 61 degrees Fahrenheit versus 75 degrees. The cold-sleepers were also more alert the next morning. The basic physiology is that your body undergoes several changes at night to ease you into sleep: Your core and brain temperatures decrease, and both blood sugar and heart rate drop. Keeping a bedroom hot essentially fights against this process. Insomnia has even been linked to a basic malfunctioning of the body’s heat-regulation cycles—meaning some cases could be a disorder of body temperature.... There is no universally accepted temperature that is the correct one, but... I will say this: 60 degrees is the correct temperature for winter sleep. Anything warmer is incorrect. If 60 degrees is simply intolerable, physically or existentially, the National Sleep Foundation recommends sleeping in socks or putting a hot water bottle at your feet. Or maybe wear a warm hat...."
From the inaptly titled "Your Bedroom Is Too Hot" — by James Hamblin in The Atlantic. If 60° is "the correct temperature for winter sleep," then our bedroom is too cold. We let the temperature drop down to 50° (and keep a window open if it's above 30°). 60° is too hot. Anyway, even if you stick to 60°, there's still the problem of summertime. Hamblin nails down 60° as "the correct temperature for winter sleep." Why isn't it also "correct" in summer? The answer has nothing to do with health and individual wellbeing. It's just morally wrong to use what he calls "a vicious amount of air conditioning."
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The chance of SIDS is higher in babies who sleep in hot rooms (or with blankets).
My best sleep the past few years has occurred when we were camping in our RV. The interior drops down into the 40s...long johns, socks and a 1970s canvas sleeping bag from Sears in. Our Pleasure War Excel...Heaven.
Pleasure Way.
It's just morally wrong to use what he calls "a vicious amount of air conditioning.
Vain. ...and ignorant.
Global warming fanaticism causes lots of people to look like morons. If 60 F is optimal, then it is optimal regardless of the season. I happen to think he is correct- I sleep my deepest and least disturbed in a room that is between 55 and 60 F. You can pay less in the Winter and more in the Summer to maintain such temps.
This is confusing. If the air is 50, but the person sleeping to the side is 98.6, will you be sleeping in 74.3 ? My solution is my outside foot hung out from under the covers.
So far so good sleeping this year. 364 days to go.
I only heat one room downstairs. Upstairs gets heating from whatever drifts up.
You can have my air conditioning only when you pry it from my cold dead hands.
Our furnace adjusts down to 60° overnight. Currently it lowers to 60° starting at 8:00. Obviously it takes a little while the temps to get that low and it has to be pretty cold out for the house to actually drop to 60° overnight. We use to lower to to 55°, but the furnace repair person warned that lowering it below 60° could cause moisture to form in the heat exchanger because of the potential air temperature difference. So we now lower it to 60°.
I have a real hard time sleeping in a warm bedroom in the winter - sleeping in a 70° bedroom would drive me crazy in the winter, but would be quite refreshing in the middle of the summer.
I have two bedrooms, one immediately opposite the Golden Gate and one in the Sierra, where we leave the french doors open all night more or less year-around -- in the summer in both locations the temperature reliably drops to 55 degrees regardless of how hot the day.
What's next? Ice dips?
62 degF, but with heated blanket. Perfect.
We sleep with the window open 365 days a year. It’s not so much the temperature as that can be adjusted a number of ways. It’s the movement of fresh air, rain, the breeze rustling the woods yards from our window, coyotes, train horns, the occasional cat drama. When I have to sleep in a hotel where the windows can’t be opened it feels like a tomb.
My wife constantly complains the bedroom is too cold.
I told her I used to have snow on my bedroom floor in the morning when I was a kid.
Didn't help.
While I like a cold bedroom....In the winter our bedroom can get so cold that was is ice on the door sweep of the french doors. That was a bit much!!! So. We fixed that. Bought a zone heater for the bedroom and master bath. Mr Heater the wall mounted model natural gas. Highly recommend.
We re-did the glass in the french doors to a heavier duty dual thermal pane glass (custom doors so we had to order custom glass). Leave the drapes open at night to keep condensation down and enjoy the stars, the moon and, lately, entertain the raccoons who seem to think we are some sort of magic show moving around inside the lighted room :-)
The temp is 62 at night and it is perfect with a big down comforter. 60's on the thermostat for the rest of the house at night. Because we have such good insulation and solar contribution of heat during the sunny parts of the day, unless it is in the teens...the heat rarely comes on. Thermal Mass. In the summer, even though the days can get hot high 90's, we get those cool high desert nights, breezes and cool down to mid 60s' PERFECT.
No A/C either. Swamp Cooler. It is a dry heat here.
Could have done without the intro about the girl who spends too much time with his best friend.
Weenie.
You close your window at 30?
Totally agree. Sadly, the spouse does not. I wonder how much marital misery is caused by such discord, when everything else is okay.
When I am an old widow, I shall sleep as I please.
"Anyone complaining about it being too hot in the bedroom is not just being 'a whining loser.'"
Anyone complaining about it being too hot in the kitchen is.
We’ve had a related conversation before. I sleep best in a cold room beneath a lot of blankets. One of the best feelings in life is waking up in the middle of the night in a bed that’s gotten uncomfortably hot and I move a leg over a bit and the new spot is freezing, while the rest of me is still too hot.
60 degrees is the correct temperature for winter sleep
That's not how you're supposed to sell it. You should say that 60 degrees is your furnace's energy efficient temperature for winter sleep.
Grow up, sleeping in a heavy sleeping bag with heavy quilts over that. Temps could dip into the 30's.Cold enough to freeze water in a glass. That experience was a choice, I could have slept in my brothers room. But no, solitude was worth the discomfort of getting into bed, and having to warm it up (no jammies). And getting out of bed and getting dressed in the morning. The 99% that was sleeping was always great.
As an adult, always a cold bedroom.
I don’t think I’m cold natured, but in the winter I add a featherbed under the fitted sheet, and a second down comforter plus a wool blanket on top. And the thermostat is set at 70°!! If I cranked the heat down to sixty then I’d have to purchase frostbite insurance.
Too cold, you're dead. Warm, change. Hot, just right.
I set the AC it 64 in the summer at night.
What a miracle my life is
I am more confused now. We pay tens of thousands of dollars for thermal pane windows, weather sealing strips, and blown in insulation...and then we throw the bedroom window open all night while it is the coldest outside.
The correct formula is "60 + p," where p represents the number of minutes required for you middle-of-the-night trip down the hall.
How do different species sleep? Don't mammals prefer to huddle for mutual warmth?
Having a colder bedroom might tend to draw the mate closer, even unconsciously, which is in turn triggering some part in the back of the brain that suggests we are part of the surviving herd together, and are not the outcast lonely monkey who was thrown out of the trees to fend for themselves. On an unconscious level, no one wants to be the lonely monkey.
Whaddya all looking at me like that for? You really should stay, cause Baby its Cold Inside.
What is the benefit of sleeping in a room at 60 degrees (or less) if you are buried under quilts and comforters and sleeping bags? As far as your body knows you're sleeping in a hot room under nothing but a sheet. Does anyone sleep on top the covers in a 60 degree room?
Perfect spot for another excellent Moby-Dick quote:
"We felt very nice and snug, the more so since it was so chilly out of doors; indeed out of bed-clothes too, seeing that there was no fire in the room. The more so, I say, because truly to enjoy bodily warmth, some small part of you must be cold, for there is no quality in this world that is not what it is merely by contrast. Nothing exists in itself. If you flatter yourself that you are all over comfortable, and have been so a long time, then you cannot be said to be comfortable any more. But if, like Queequeg and me in the bed, the tip of your nose or the crown of your head be slightly chilled, why then, indeed, in the general consciousness you feel most delightfully and unmistakably warm. For this reason a sleeping apartment should never be furnished with a fire, which is one of the luxurious discomforts of the rich. For the height of this sort of deliciousness is to have nothing but the blanket between you and your snugness and the cold of the outer air. Then there you lie like the one warm spark in the heart of an arctic crystal."
When I don't have to run the AC I let it drop to 60 at night. When I have to pay to keep it cool I still need it 68 at night or I start having problems sleeping.
No matter how many blankets you're using, you're raising all the cold air you breathe to body temperature. That takes more calories and oxygen when the room is colder.
The minimum temperature is half your body temperature plus seven.
My Doberman on the bed runs about 100.5 degrees.
Does anyone sleep on top the covers in a 60 degree room?
Yes, but in full pajamas and socks. I call it sleeping out.
I'm thinking that everyone here identifies as whhiiittee people.
Y'all got problems that other folks would love to have!!
AOC has read this post's comments and will have the authorities visit your homes and take away your air conditioners.
madAsHell said...
I'm thinking that everyone here identifies as whhiiittee people.
Y'all got problems that other folks would love to have!!
You apparently identified as a white dog according to your avatar
My bedroom gets really hot for all present until I finally fall asleep, satisfied.
We follow the same procedure, thermostat set to 50 at night, window cracked open, often have a fan on the slowest mode possible to move the air around (and we like the white(!) noise).
I LOVE a cold temperature for sleeping. But my bedroom is also (mercifully, wonderfully) inhabited by someone very sensitive to the cold.
Easy choice.
I read this article. It was deliberately deceptive.
It starts out by saying that keeping the bedroom too warm *in winter* is bad for your health. Only if you read past the middle of the article do you realize that what it's really saying is that using too much heat in winter *or* too much air conditioning in summer is contributing to global warming--and that's what the author really cares about.
A really great investment, which will save you money and make you sleep better is an updated thermostat. If you have one of those circular ones where you twist the dial to the desired temperature, you can easily upgrade. The newer ones (these have existed for decades but lots of older homes still sport the rudimentary ones) will allow you to schedule temperature zones: For instance,
66F from 6:00-8:00 AM so you can be warm when you get up and get ready to leave for work.
50F from 8:00 AM to 5:00 PM so you save energy during the day but the place is warm when you get home.
66F from 5:00-10:00 PM so it is nice while you are up and around.
Finally, 60F from 10:00 PM to 6:00 AM.
These things normally also have a weekend schedule and allow you to hold a temperature if you are on vacation or at home on a weekday.
I LOVE a cold temperature for sleeping. But my bedroom is also (mercifully, wonderfully) inhabited by someone very sensitive to the cold.
I just ordered a down comforter to try to keep my wife warm enough so I can turn down the thermostat at night. I added a dog but that was not enough.
"If 60° is "the correct temperature for winter sleep," then our bedroom is too cold. We let the temperature drop down to 50°" Yup. Around here it's 54 (F) or fight!
Roughcoat beat me to it: You can have my air conditioning only when you pry it from my cold dead hands.
Air conditioning uses significantly less energy than heating does. I keep the house around 67 in the winter and have reached a compromise with my cold-sensitive husband of 62 at night. He sleeps in long-sleeved tshirt and thin sweatpants, with full underwear too. I'm already "star-clad" lol so there's only so much more I can do to lessen our use of air-conditioning when the temperatures outside are in the 60s or even 50s. Too damn hot to sleep well otherwise!
Ha. I need a blanket on top of the down comforter if it drops below 73 in my house. I’d need a truly vicious amount of air conditioning, even in winter, to keep the temp below 70.
Happy New Year from South Texas!
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