You can't control everything about your sleep, but you can control a surprising amount about the room you sleep in. Health organizations agree on the basics: a bedroom that is cool, dark, quiet, and comfortable gives your body the best chance to settle in and stay asleep. Most of the improvements below cost little or nothing.
Temperature: cooler is usually better
Your body temperature naturally dips as you fall asleep. A room that's too warm can work against that and leave you restless. The American Academy of Sleep Medicine, the CDC, and MedlinePlus all recommend keeping the bedroom cool.
How cool? The Sleep Foundation suggests about 65 to 68°F for most adults. Treat that as a starting point, not a rule. Older adults, people with certain health conditions, and anyone who runs cold may be more comfortable a bit warmer.
- Lower the thermostat an hour or so before bed, if you can.
- Use a fan for airflow (it also adds gentle background sound).
- Layer bedding so you can add or remove a blanket during the night.
- Choose breathable sheets, such as cotton, if you tend to sleep hot.
Light: make it truly dark
Light is the strongest signal to your internal clock. Even modest light at night — a streetlight, a hallway fixture, a glowing charger — can make it harder to sleep deeply. The NHLBI advises keeping the bedroom dark, though it notes a dim night light is fine.
Try this test: lie in bed with the lights off and let your eyes adjust for a minute. Can you see your hand clearly? If so, there's room to improve.
- Cover gaps around windows with blackout curtains or a blackout liner.
- Cover or turn away small glowing lights on electronics (a piece of dark tape works).
- Turn your alarm clock's display to its dimmest setting.
- Use a comfortable sleep mask if you can't control the light — for example, when traveling or sleeping during the day.
- If you need a night light for safety, choose a low, warm one near the floor.
Noise: quiet, or steady
Sudden sounds — a car door, a dog, a partner's snoring — are more likely to wake you than a steady hum. If you can't make your room silent, you can make it more predictable.
- A fan or white-noise machine can mask sudden noises.
- Soft-foam earplugs help some people, especially light sleepers.
- Rugs, heavy curtains, and a door draft stopper can soften outside sound.
- Move the TV out of the bedroom if it tends to stay on.
A note about snoring
If your partner's snoring is loud and you notice pauses in their breathing, gasping, or choking, that's worth more than earplugs. These can be signs of sleep apnea, which should be evaluated by a healthcare professional.
Bedding and comfort
There's no single "best" mattress or pillow — comfort is personal. But a few signs suggest your bedding may be part of the problem:
- You wake up stiff or sore and feel better after moving around.
- You sleep better in other beds, such as at a hotel.
- Your mattress sags or has lumps, or your pillow stays flat after fluffing.
Before replacing a mattress, consider smaller changes. A different pillow matched to how you sleep (side, back, or stomach) can make a real difference in neck comfort, and a mattress topper is a lower-cost way to adjust firmness.
Keep the bedroom for sleep
The AASM recommends using your bed only for sleep and sex. When the bed is also an office, a dining table, and a TV lounge, your brain stops linking it with rest. If you can, keep work, bills, and screens in another room.
Clutter matters too. A tidy, calm room is simply easier to relax in. You don't need a magazine bedroom — just a clear nightstand, laundry out of sight, and a space that feels restful when you walk in.
Budget fixes that make a real difference
| Problem | Low-cost fix |
|---|---|
| Streetlight or early sunrise | Blackout liner, tension rod, or a sleep mask |
| Glowing electronics | Dark tape over LEDs; dim the clock display |
| Room too warm | Box fan, lighter sheets, thermostat down an hour before bed |
| Traffic or household noise | Fan or white-noise app on a speaker; foam earplugs |
| Phone tempting you in bed | Charge it in another room; use a basic alarm clock |
| Flat pillow, sore neck | A new pillow suited to your sleep position |
Your quick room checklist
- Cool enough that I'm comfortable under a light blanket
- Dark enough that I can't clearly see my hand
- Quiet, or filled with a steady sound I like
- Pillow and mattress comfortable for how I sleep
- No work or screens in bed
- Calm and uncluttered
Want to score your room and print the results? Use our free Bedroom Comfort Checklist. Then track a week of nights in the Sleep Diary to see whether your changes help.
A better bedroom supports better sleep, but it isn't a cure for a sleep disorder. If poor sleep continues for weeks despite these changes, or you feel very sleepy during the day, talk with a healthcare professional.
When to talk to a doctor
Self-help can go a long way, but some sleep problems need a professional. Make an appointment if you notice:
- Trouble sleeping three or more nights a week for three months or longer
- Loud snoring with gasping, choking, or pauses in breathing that someone else notices
- Falling asleep during the day when you don't mean to, especially while driving
- Unusual movements or behaviors during sleep, or an urge to move your legs at night
Bring a week or two of notes from our free Sleep Diary. Drowsy? Don't drive. In an emergency, call 911. More on when to seek care →
Common questions
What temperature should my bedroom be for sleep?
Most guidance points to a cool room. The Sleep Foundation suggests roughly 65 to 68°F for most adults, but comfort varies, so adjust bedding and temperature until you're neither cold nor sweaty.
Is a night light bad for sleep?
The NHLBI notes that a dim night light is fine. Choose a low, warm light placed near the floor rather than a bright light near your eyes.
Does white noise really help?
Steady background sound can mask sudden noises such as traffic or a snoring partner, which some people find helpful. It's a comfort tool, not a treatment, so use what feels best to you.
Sources
- Healthy Sleep Habits — American Academy of Sleep Medicine (Sleep Education). sleepeducation.org/healthy-sleep/healthy-sleep-habits
- Healthy Sleep Habits — National Heart, Lung, and Blood Institute (NIH). www.nhlbi.nih.gov/health/sleep-deprivation/healthy-sleep-habits
- Healthy Sleep — MedlinePlus. medlineplus.gov/healthysleep.html
- About Sleep — Centers for Disease Control and Prevention. www.cdc.gov/sleep/about/index.html
- The Best Temperature for Sleep — Sleep Foundation. www.sleepfoundation.org/bedroom-environment/best-temperature-for-sleep
Last reviewed and updated October 17, 2026. This article is for general education and isn't a substitute for advice from your own clinician. Read our medical disclaimer and editorial standards.
