
The ideal temperature for sleep is between 65-68°F (18.3-20°C). This may vary by a few degrees from person to person, but most doctors recommend keeping the thermostat set between 65 to 68°F (15.6-20°C) for the most comfortable sleep. Your body's temperature naturally drops as you sleep, so a cooler room makes it easier to fall and stay asleep.
| Characteristics | Values |
|---|---|
| Ideal room temperature for sleep | 65-68°F (18.3-20°C) |
| Ideal room temperature for older adults | 68-77°F (20-25°C) |
| Ideal room temperature for infants | 60-65°F (15.6-18.3°C) |
| Ideal core body temperature for sleep | 97.5°F (36.4°C) |
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What You'll Learn
- The ideal temperature for sleep is between 65-68°F (18.3-20°C)
- Thermoregulation during sleep is crucial to sleep quality
- Your body temperature naturally drops as you sleep
- The ideal bedroom temperature is between 60-70°F (15.5-21°C)
- The ideal sleep temperature for older adults is between 68-77°F (20-25°C)

The ideal temperature for sleep is between 65-68°F (18.3-20°C)
The ideal bedroom temperature is somewhere in the range of 15.5-21°C (60-70°F). A good average often quoted in the literature is to aim for a bedroom temperature around 18.3°C. If your room is too hot or too cold, it can negatively affect your sleep. Everyone has a different temperature preference, so you may have to play around to find the temperature that works best for you. You also need to consider that your bedding will impact how hot or cold you are at night.
A 2023 study found that the ideal sleep temperature for older adults ranged between 68°F to 77°F (20°C to 25°C). Sleep was the most efficient and restful between these temperatures, with a 5 to 10% drop in sleep efficiency when the temperature was outside of this range.
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Thermoregulation during sleep is crucial to sleep quality
Optimising your bedroom environment can help to regulate your body temperature during sleep. Reducing heat build-up during the day, turning down the thermostat at night, and investing in cooling bedding materials can all help to keep your bedroom temperature within the ideal range.
The temperature of your bedroom can make a significant difference to your sleep quality. If your room is too hot or too cold, it can negatively impact your sleep. It is important to find the temperature that works best for you, as everyone is different and will have their own preference.
The ideal sleep temperature for older adults may be slightly higher, ranging between 68°F to 77°F (20°C to 25°C). However, sleep efficiency drops by 5 to 10% outside of this range.
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Your body temperature naturally drops as you sleep
Thermoregulation during sleep is a crucial factor in sleep quality. The temperature of your bedroom can make a significant difference to how well you sleep. To optimise your bedroom for sleep, reduce heat build-up during the day, turn down the thermostat at night, and invest in cooling bedding materials.
The ideal temperature for sleep varies depending on age. A 2023 study found that the ideal sleep temperature for older adults ranged between 68°F to 77°F (20°C to 25°C). Infants should be able to sleep in temperatures of 60-65°F (15.6-18.3°C) with the proper sleep attire.
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The ideal bedroom temperature is between 60-70°F (15.5-21°C)
The ideal bedroom temperature for a good night's sleep is between 60-70°F (15.5-21°C). This is because your body's temperature naturally drops as you sleep, so a cooler room makes it easier to fall and stay asleep. Thermoregulation during sleep is a crucial factor in sleep quality.
Most doctors recommend keeping the thermostat set between 65 to 68°F (18.3 to 20°C) for the most comfortable sleep. However, this may vary from person to person, so you may need to experiment to find the temperature that works best for you.
It's important to optimise your bedroom to reduce heat build-up during the day. You can do this by turning down the thermostat at night and investing in cooling bedding materials.
For older adults, the ideal sleep temperature ranges between 68°F to 77°F (20°C to 25°C). This is because sleep is the most efficient and restful within these temperatures, with a 5 to 10% drop in sleep efficiency when the temperature is outside of this range.
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The ideal sleep temperature for older adults is between 68-77°F (20-25°C)
The ideal temperature for sleep is between 65-68°F. However, this may vary by a few degrees from person to person, so most doctors recommend keeping the thermostat set between 65 to 70°F (15.6 to 21°C) for the most comfortable sleep.
Your environment temperature can also affect your sleep. The ideal bedroom temperature is somewhere in the range of 15.5-21°C (60-70°F). A good average often quoted in the literature is to aim for a bedroom temperature around 18.3°C.
If your room is too hot or too cold, it can negatively impact your sleep. Everyone has a slightly different temperature preference, so you may have to play around to find the temperature that works best for you. You also need to consider that your bedding will impact how hot or cold you are at night.
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Frequently asked questions
The ideal temperature for sleep is between 65-68°F (18.3-20°C). However, this may vary by a few degrees from person to person.
Your body’s temperature naturally drops as you sleep, so a cooler room makes it easier to fall and stay asleep. If your room is too hot or too cold, it can negatively impact your sleep.
A 2023 study found that the ideal sleep temperature for older adults ranged between 68°F to 77°F (20°C to 25°C).











































