This One Bedding Change Fixed My Cold Nights Without Touching the Thermostat

It's my top recommendation for cozy nights

Barn extension decorated with a stylish Scandi feel. Bedroom in attic with wooden walls and double bed.
(Image credit: Future)

This winter, I'm finding it more tricky than ever to stay warm at night. Being home for the holidays, where my bed is directly under a large window with another directly opposite, and no other suitable spot for my bed, a cross-breeze chill is almost entirely unavoidable.

Short on time to start draft-proofing my bedroom ahead of Christmas, I realized there was one simple fix I was somehow forgetting – the heated mattress pad that got me through four years of college in frosty Edinburgh, Scotland.

This 1 Simple Bedroom Tweak Keeps Me Cozy All Night

Even with the heating turned on to keep my home warm all day, I was still finding myself going to sleep and waking up chilly. Night after night, I piled yet more blankets on top of my comforter, which still wasn't enough, and was making my cozy bedroom look chaotic. That's when I remembered my old heated mattress pad, languishing in a storage box, and haven't looked back.

As Josh Mitchell, HVAC expert and founder of AirConditionerLab, says, 'If your heat is already running and you're still cold at night, the problem usually isn't the thermostat, it's the bedding setup.'

This couldn't be more true in my case, as without being able to move my bed a few inches to make it feel cozier at night, my setup was inadequate.

'The quickest fix is switching to a fitted heated mattress pad instead of piling on more blankets,' Josh advises. 'Not a heated throw. Not an electric blanket. A properly fitted pad.

'It warms you from underneath, so the heat stays where your body is instead of escaping into the mattress. Most people don’t realize how much warmth they lose downward, and a pad solves that in minutes.'

I asked Josh for his top recommendation, and he recommends the Sunbeam Heated Mattress Pad available at Amazon.

'It’s safe, consistent, and has dual zones if you share the bed,' he explains. 'I run it for 30 to 60 minutes before bed and shut it off once I get in. The heat stays trapped under the covers for hours. It works even better if you layer flannel or jersey cotton sheets over it.'

I particularly like the Eddie Bauer Alpine Plaid Cotton Flannel Green Comforter Set available at Wayfair, which is machine washable.

I've found pre-heating my pad and turning it off when I get into bed an absolute essential for cold winter nights, not only for that initial hit of warm comfort, but also to avoid overheating overnight. Turning it off before you fall asleep will also significantly reduce common fire risks.

A cozy limewashed attic bedroom, with a cast iron radiator below a window. A bed with linen bedding in front

Where possible, moving your bed away from the window is also an effective way to keep cozier at night.

(Image credit: Nkuku)

'I also recommend checking where your bed is placed,' continues Josh, as moving your bed placement can help you stay warm at night. 'If it’s pressed up against an exterior wall, especially an uninsulated or north-facing one, that surface can sit at 50 to 55°F even if your room is 68°F.

'You’ll feel that cold all night. Move your bed to an interior wall, and you cut that heat loss right away. I’ve found that bedrooms feel three to five degrees warmer just from this one bed position shift.'

Unfortunately, as this isn't a possibility for me due to the layout of the room where I'm currently staying and the size of the bed, a heated mattress pad is my best bet.

'The same thing goes for cold floors,' adds Josh. 'Hardwood, laminate, or tile under and around your bed sucks heat from your body while you sleep. Toss a thick rug under the bed, or even fold an old comforter and lay it under the frame. You’ll sleep warmer without running the heater longer.'

Other fixes Josh recommends include hanging thermal curtains across windows to block cold air at night, checking vents aren't blowing directly on you, redirecting or partially closing them, and blocking drafts under bedroom doors with rolled towels or a door sweep, such as the M-D Building Products All-Season Door Sweep available at Amazon.

'If your bed sits above a garage or crawlspace, bump the heating pad’s runtime or add an underlayer like a wool blanket between the mattress and the pad,' adds Josh.

'Most people run their furnace all night trying to stay warm. With these tweaks, I’ve had clients cut their heating time by three to five hours nightly while sleeping warmer. The electric pad pulls about 60-100 watts, compared to 5,000+ watts for a gas furnace heating the whole house, so it pays off fast.'

It can help you to cut energy bills, too, as it's economical to run.

Now, with my heated mattress pad, I'm cozy when I get into bed, and, more importantly, cozy all night long. Truth be told, I still use my hot water bottle for ultimate comfort, but not because I need it – just because I want it!

Shop My Cozy Bedroom Essentials

All prices were correct at the time of publication.

Meet the Expert

Profile photo of Josh Mitchell in sunny backyard with palm trees in the unfocused background
Josh Mitchell

Josh is an HVAC expert and plumbing technician who founded AirConditionerLab in 2014 as a way to share his findings on heating, cooling, and air quality, to help people solve their HVAC issues affordably, and from the comfort of their own home.


There are also a few more cold-weather sleeping mistakes you might be making, from neglecting to switch to your winter duvet to sleeping under synthetic materials.

Ottilie Blackhall
Sleep Editor

Ottilie joined Homes & Gardens in 2024 as the News Writer on Solved, after finishing a Master's in Magazine Journalism at City, University of London. Now, as the Sleep Editor, she spends her days hunting deals and producing content on all things sleep – from mattresses and sheets to protectors and pillows, all of which she tests in her own home. She also has particular expertise in home fragrance, covering everything from candles to reed diffusers.

Previously, she has written for Livingetc and Motorsport Magazine, and also has a Master's degree in English Literature and History of Art from the University of Edinburgh, where she developed a love for inspiring interiors and architecture.