“The consensus among most scientists is that anything higher than 75 or 80 is bad for sleep and potentially detrimental to health,” Baniassadi said. Heat affects sleep because the body signals the brain that it's time to fall asleep by lowering its core temperature. Sleeping in a hot room makes this difficult.
The Ideal Temperature for Sleep
For the best possible sleep environment, keep your bedroom between 60 and 72 degrees Fahrenheit (65 degrees is typically ideal).
Quick answer: The ideal house temperature is room temperature, which ranges from 68 to 78 degrees F, though this may vary from season to season. In winter, the average room temperature is generally 62 to 68 degrees, whereas in the summer, the average temperature is 72 to 78 degrees.
Research shows sleep can be disrupted by temperatures anywhere below 65 degrees Fahrenheit or above 75 degrees Fahrenheit. But for most people, heat interferes with sleep more than cold does. Sleep experts believe the best temperature for great sleep is between 68-72 degrees Fahrenheit.
Sleeping too hot
“Heat is a huge disruptor for REM sleep,” Dr. Drerup says. With the heat of the room, your body temperature will also rise, thus undoing the sleep initiation process entirely. If your bedroom temperature is above 70° F, it's too hot.
They found a 5-to-10 percent drop in sleep efficiency when indoor temperatures rose from 77 to 86 degrees, he said. “The consensus among most scientists is that anything higher than 75 or 80 is bad for sleep and potentially detrimental to health,” Baniassadi said.
Hot, cold and draughty rooms can seriously impact your sleep, in particular REM (rapid eye movement) sleep. Bedroom temperatures over 24°C (71°F) are likely to cause restlessness, while a cold room of about 12°C (53°F) will make it difficult to drop off.
Studies show that the right combination of ambient room temperature and suitable bedding is essential for a good night's sleep. A cooler room, between 65-68° Fahrenheit, can help you fall and stay asleep at night. Your body's natural thermoregulation lowers your core temperature during sleep.
In general, the ideal room temperature and your home for both efficiency and comfort fall somewhere between 68° and 76°F.
This is more of a personal question, as different people feel comfortable at different temperatures. Since 72 degrees is generally agreed upon to be an ideal indoor temperature, most people would probably still feel comfortable setting their AC units slightly higher than this, perhaps at around 75.
Generally speaking, 74℉ is considered too warm for a baby's sleep environment. Just as being too cold can cause your baby to get poor sleep, so can overheating.
Or better yet, “What is the most energy saving temperature to set my thermostat at?” According to ENERGYSTAR.gov, the ideal home temperature should be between 70 to 78 degrees Fahrenheit.
In reality, the average range is anywhere between 68 and 76 degrees Fahrenheit. The ideal room temperature will vary according to season, activity, and the area of your home. During winter time, the standard temperature is around 70 degrees Fahrenheit.
Bottom line. Maintaining an optimal sleep environment is crucial to consistently achieving good sleep quality. While temperature preferences will vary from one person to another, the consensus for optimal temperature is between 68°F–77°F for older adults and as low as 60°F for the younger population.
For most people, 75 degrees is too hot to sleep, per the National Sleep Foundation. But the new study found that in people 65 and up, sleep efficiency only started to decrease when temperatures were above 77 degrees.
There are a few stages of heat injury, and heatstroke is the most serious. It can happen if body temperature rises to 104 F (40 C) or higher.
Any indoor temperature between 68 and 72 degrees Fahrenheit is 'room temperature', but some regions have indoor temperatures as warm as 88 degrees Fahrenheit that are considered 'normal. '
Make your room comfortably cool
Of course, window and portable air conditioners are just as effective and come with a lower price tag. While the exact temperature varies from person to person, Ebben suggests keeping your room in the high 60s or low 70s during the night.
Optimal Sleep Temperature for Seniors Is Between 68 to 77 Degrees Fahrenheit, Study Reveals. Nighttime ambient temperature plays a pivotal role in sleep quality for older adults; study underscores potential impact of climate change on sleep quality in the aging population.
The World Health Organization recommends a thermostat setting no lower than 68 degrees while you're home. If you have children or seniors in your house, that number increases to at least 70 degrees. If your house is too cold, it can cause problems with blood pressure and circulation, as well as affect your heart rate.
The U.S. Department of Energy says an indoor temperature of 65 degrees Fahrenheit at night is best.