What temperature should your house be overnight?

Author: Axel Stoltenberg  |  Last update: Wednesday, April 23, 2025

The ideal home temperature for sleeping is generally between 60 and 67 degrees Fahrenheit -- and you might even sleep better because of it. When you sleep, the set point for your body temperature drops, WebMD says.

What temperature should I leave heating on overnight?

Instead, keep the heating on a low setting, such as 18°C, and use a Smart thermostat to lower it when you're away. Keeping the heating on overnight at a steady temperature also ensures that everyone in the household remains comfortable and the heating system doesn't have to work too hard to warm up the house again.

What temperature should you keep your house at at night?

The best room temperature for sleep is approximately 65 degrees Fahrenheit (18.3 degrees Celsius). This may vary by a few degrees from person to person, but most doctors recommend keeping the thermostat set between 60 to 68 degrees Fahrenheit (15.6 to 20 degrees Celsius) for the most comfortable sleep.

Is 72 a good temperature for air conditioning at night?

The ideal temperature for your air conditioning at night can vary based on personal comfort, but many experts recommend setting it between 68°F to 72°F (20°C to 22°C) for optimal sleep. This range helps promote better sleep quality while also being energy efficient.

What should I set my AC to when sleeping?

For the best A/C temperature for sleeping, the National Sleep Foundation, for its part, says your bedroom should be somewhere between 60 to 67 degrees for optimal snoozing, as that range helps your body cool down and fall asleep faster.

Is It Cheaper to Leave Your Heating on Constantly?

Is 75 degrees too hot to sleep?

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.

How cold is unhealthy for a house?

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.

What is an unsafe temperature to sleep in?

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.

How low should I set the thermostat at night?

The National Sleep Foundation recommends setting your thermostat to between 60 and 67 degrees Fahrenheit at night for optimal sleep.

What is the best overnight temperature for sleeping?

The best room temperature for sleep is approximately 65 degrees Fahrenheit (18.3 degrees Celsius). This may vary by a few degrees from person to person, but most doctors recommend keeping the thermostat set between 65 to 68 degrees Fahrenheit (15.6 to 20 degrees Celsius) for the most comfortable sleep.

What is the healthiest temperature to keep your house?

What is the Healthiest Temperature to Keep in Your House? The sweet spot for indoor temperature is typically around 20-22 degrees Celsius (68-72 degrees Fahrenheit). This range promotes better sleep, aids concentration, and supports overall physical comfort. Straying too far from this range may lead to health issues.

Is it cheaper to leave your thermostat at one temperature?

Keeping your home at a constant temperature generally means that your HVAC system will run constantly to meet it. This means that your furnace or air conditioner may run when you're asleep, at work, or out of the house. This wastes more energy than the minimal amount that you might save by having it constantly run.

What is a reasonable temperature for a house in winter at night?

The U.S. government Department of Energy (DOE) states that people should set their thermostats to 68 degrees F. This is the optimal temperature for keeping a home comfortable. The DOE also informs us that a home's thermostat should be turned down below 68 degrees when a person goes to sleep.

Should you lower house temperature at night?

Keep your house temperature lower and it will lose heat more slowly. Yes, your furnace will kick in to bring the house back up to temperature in the morning. But you still use less energy than if you kept the house at a warm temperature the entire time.

Why does my house feel cold at 20 degrees?

There may be drafts and pockets of colder air near the floor; The walls are colder and don't emit the usual amount of infrared radiation, so you lose heat due to your body emitting more IR than it receives; You may spend more time indoors and hence have less physical activity, so your body generates less heat.

What is the safe temperature to sleep in?

The chance of SIDS is higher in babies who get too hot, so keep the room temperature between 16 – 20°C (roughly 61 – 68°F). A thermometer can help you to make sure the room is at the right temperature. Ensure baby's cot is not positioned next to a radiator or next to a window in direct sunlight.

Is it better to sleep with socks on or off?

Wearing socks to bed may help you fall asleep faster and stay asleep longer, so it could become an important part of your sleep hygiene routine. Sleep hygiene refers to the habits, behaviors, and environmental factors present during our bedtime routine.

Is it safe to sleep in an 80 degree house?

“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.

What's the coldest you should let your house get?

The World Health Organization (WHO) recommends setting your thermostat no lower than 64 degrees (F) in the Winter months while people are in the home. If there are infants or elderly individuals, they recommend keeping the temperature at 70 degrees at a minimum.

Is it safe to sleep at 50 degrees?

“Even if you don't feel the cold disturbing your sleep, your cardiovascular system might still be affected,” cautions Dr. Maslinski. Maintain indoor temperatures above 50°F during winter and stay comfortable year-round with the right bedding.

What house temperature is too cold for pipes?

Your pipes are at risk of freezing any time temperatures drop below 32°F. However, it's much more common for pipes to freeze when temperatures dip below 20°F. The longer the weather remains below freezing, the more likely it is your pipes can freeze if not properly protected and winterized.

What is the healthiest room temperature?

In general, the ideal room temperature and your home for both efficiency and comfort fall somewhere between 68° and 76°F.

How to survive hot summer nights without AC?

If the summer temperatures have you needing to chill out, try our tips.
  1. Open your windows at night. ...
  2. Close your window coverings. ...
  3. Insulate and air seal your home. ...
  4. Bake and wash at night. ...
  5. Fire up the grill! ...
  6. Install an exterior window shade. ...
  7. Use your fans in the right places. ...
  8. Use your exhaust fans.

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