Room Temperature and Good Sleep: Why a Little Cool Beats Warm
November 8, 2026 · La Vita Home Collection
You've surely had a night of throwing off the comforter only to feel cold minutes later. As we fall asleep, the body slowly lowers its core temperature. A room that's too warm makes this natural process harder.
The Right Temperature
A common recommendation for most adults is around 16 to 20 degrees Celsius, though comfort differs from person to person. Infants and older adults have different needs, and it's best to consult a doctor or specialist. In Iranian homes with radiators or heaters, bedroom air is usually warmer than this.
Layers Are Better Than One Very Thick Comforter
A combination of sheet, medium comforter and thin blanket lets you adjust your temperature in the middle of the night without fully waking up. The body's need at the end of the night, when the air is coldest, is different from the first hour of sleep.
What Role Does Fabric Play?
- Cotton: good air exchange, suits people who get hot
- Velvet: holds warmth well, suits cold weather
- Chenille: medium to warm
What matters most is the fabric touching your skin. A winter velvet comforter with a cotton sheet warms the body while letting skin breathe more easily.
Feet, the Secret to Warming Up Fast
Warm feet help the body release heat through the vessels of the feet. Thin socks or an extra layer over the feet are effective for those who can't sleep with cold feet.
Evening Habits
- Dimming household lights an hour before bed
- Avoiding a heavy dinner close to bedtime
- A lukewarm bath a few hours before bed
- Briefly airing the room before sleep
Heaters and Coolers
Vents and airflow shouldn't be aimed directly at the bed. A steady temperature is better than repeated on-and-off cycling. Heat-producing and gas appliances shouldn't be used in the bedroom without proper ventilation.
Frequently Asked Questions
What if I sweat a lot at night?
Lighten your layers and use cotton. If the problem continues, consult a doctor.
Is the same temperature suitable for a child?
Children have different needs, and appropriate clothing and blankets matter; for an infant, follow your doctor's advice.
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