Best AC temperature for sleeping
temperature setting

Best AC temperature for sleeping

A comfortable sleeping environment with an air conditioner set at the right temperature is essential for getting a good night’s sleep. The best temperature for sleeping is approximately 65°F (18.3°C) in an air-conditioned room. Individuals, on the other hand, may find their perfect air conditioning temperature to be between 60 and 67°F (15.6 and 19.4°C), depending on their preferences.

The best sleep temperature

Normal sleeping temperatures are around 70°F. The body does not have to work hard to maintain that temperature, and it does not feel hot or cold.

An air conditioner cools or heats the air in a room. It can be used to cool a single room, cool an entire house, cool an entire building, and even heat a single room. A living room should be between 68 and 72 degrees Fahrenheit. Keep your house at this temperature all winter.

A living room should be between 68 and 72 degrees Fahrenheit. Between 65 and 75 degrees, Fahrenheit is ideal for human health, but it can be too cold or too hot for some people depending on the season.

How Does temperature affect sleep?

ambient temperature

The average temperature in the bedroom is around 70 degrees Fahrenheit. This is only comfortable for humans to sleep in if they have a way of keeping their body temperature regulated.

The most common way of regulating body temperature is through the use of air conditioning. Air conditioning can help regulate the temperature and keep it at a comfortable level. It also helps with humidity levels, which are important for sleep quality, so that you don’t wake up drenched in sweat.

Temperature affects our sleeping patterns too! A study found that when it’s too hot or too cold, people are likely to wake up more often during the night and therefore not get as much sleep as they would like to.

Risks of sleeping with AC

air conditioner temperature

1. Dry eye

Too much time in the AC can exacerbate dry eye symptoms. Dry eyes are itchy and irritated. Dry eye sufferers should avoid prolonged AC exposure.

2. Dry skin

Dry, itchy skin is common in people who spend too much time in air conditioning. Excessive AC and sun exposure can cause dry, itchy skin. After a few hours outside, your skin may return to normal, but dry skin may persist.

3. Dehydration

Rooms with AC have higher rates of dehydration than other rooms. You will become dehydrated if the AC removes too much humidity from the room. Imagine being too cold and needing to drink water when the AC is turned down.

4. Breathing issues

Prolonged exposure to air conditioning can cause nasal, throat, and eye irritation. Dry throat, rhinitis, and nasal blockage. Rhinitis is an inflammation of the nasal mucous membrane. A viral infection or an allergic reaction causes it.

5. Allergies and asthma

AC can aggravate asthma and allergies. Staying indoors protects sensitive people from other pollutants. Others may have the opposite experience. Inadequately cleaned and maintained air conditioners can increase asthma and allergy triggers.

6. Infections

Too much time in the AC can dry out your nasal passages. Mucous membrane irritation and drying can occur. The absence of protective mucous can increase viral infection risk.

7. Aches

AC dehydration can cause headaches and migraines. Dehydration is a common trigger for migraines. The sudden change from AC to heat or from AC to heat can cause a headache. Unmaintained AC rooms are also more prone to headaches and migraines.

8. Slump

The device that keeps you cool even when it is hot outside may be harmful. Long-term AV users have reported feeling tired and sluggish.

Benefits of sleeping with AC

AC temperature for sleeping

Sleeping with the air conditioner helps prevent dehydration, heat stroke, and heat exhaustion. Typical AC filters do not purify the air, but they do keep dust and particles out. Pollen, microbes, and bacteria can be removed by specialized filters. Enclosing the windows and sleeping with an air purifier is also possible with an AC system with a programmable thermostat and temperature regulation. Those with asthma, allergies, or respiratory issues will appreciate this.

Why can’t people sleep if it is too hot or too cold?

fall asleep

A hot or cold room can cause insomnia, difficulty falling asleep, and night wakings. Heat disturbs sleep more than cold.

HEAT IN A ROOM: Sleeping in a hot room may increase wakefulness, impair sleep efficiency, and cause fatigue. Intense cardiorespiratory activity may reduce appetite. Heat and blood are distributed to the extremities before bedtime.

As a result, slow-wave sleep and sleep quality suffer. Heat reduces sleep efficiency and wakefulness. Sleeping in a cold room can be difficult. Poor sleep quality increased sleep interruptions and decreased delta wave activity associated with deep sleep are all linked to temperatures between 59°F and 64.4°F. Raising blood pressure and heart rate.

Tips for keeping the bedroom cool

ideal room temperature

The weather is starting to get hot and humid, but do not worry. Keep your bedroom cool without turning on the air conditioner.

  • A wet towel draped over the window will help keep the heat out. Use a fan or an oscillating fan.
  • Keeping the bedroom cool is essential for good health. Here are some tips for a cool bedroom.

Tips for a cool bedroom:

  • Use a fan to circulate and cool the room.
  • Summertime window closures and dehumidifier use
  • Use lamps, LEDs, or window blinds to light the room.


Getting enough good quality sleep is essential for maintaining good health and overall well-being. In light of this, it is critical to set the air conditioning temperature to a comfortable and appropriate level in order for a person to fall asleep easily and sleep deeply.

Bedroom temperatures of around 65 degrees Fahrenheit (18 degrees Celsius) are ideal for the majority of people. This temperature may make it easier to fall asleep and improve the quality of one’s night’s sleep.

Invest in an AC unit with a smart thermostat to regulate air conditioning temperatures, and with regular maintenance to save energy bills giving you healthy sleep.

Frequently asked questions

What temperature should I set my AC at night?

So, where is the balance of hot and cold? How can you avoid being woken up by your AC?

Naturally, the ideal AC temperature for sleeping is a hot topic. Some prefer a warmer or cooler environment. However, when it comes to sleeping habits, the latter option is preferred. Cooler air is also better for sleeping.

Sleep psychologist Michelle Drerup recommends a temperature of 60-67 degrees. Sleeping cools your body. Setting your thermostat to 60-67 degrees helps you sleep better. The temperatures are cool but not cold enough to keep you awake. You can always grab a few extra blankets!

Is 72 a good temperature for air conditioning at night?

Air conditioning is an essential part of our lives. We rely on it to keep us cool and comfortable. But how do we know what temperature is best for air conditioning?

The answer to this question depends on the climate outside, the humidity, and the type of air conditioner you have. A rule of thumb is to set your thermostat at 72 degrees Fahrenheit (about 22 degrees Celsius) during the day and lower it by 2 degrees Fahrenheit (about 1 degree Celsius) at night.

What temperature is best for sleeping?

The best temperature for sleeping is between 65 and 75 degrees Fahrenheit. The body’s natural sleep cycle occurs when it is in the range of 65 to 75 degrees Fahrenheit. As a result, the ideal temperature for sleeping is between 65 and 75 degrees Fahrenheit.

In addition, the human body naturally cools itself down during sleep. When it gets too warm, humans will remove excess heat by sweating and panting.

We experience a variety of physiological changes as we grow older, one of which is a decrease in body temperature, as well as decreased levels of certain hormones such as melatonin (a hormone released at night that is associated with sleep control) and cortisol (a stress hormone). It is possible that you will need to adjust your sleeping temperature depending on your body, but you should avoid making drastic changes in one direction or the other. Consult with your doctor to determine whether or not your sleep temperature should be adjusted.

What is the healthiest temperature for sleeping?

The answer to the question “What is the healthiest temperature for sleeping?” is not as simple as it may seem. There are many factors that go into determining what is the healthiest temperature for sleeping. Some of these factors include:

  • Body size and weight
  • Age of person
  • Sleep quality or sleep apnea

Is 75 degrees too hot to sleep?

Yes. It would be impossible to sleep at 75 degrees. In fact, it may make falling asleep a difficult task in the first place. The ideal temperature ranges between 60 and 65 degrees Fahrenheit. In contrast, temperatures lower than 50 degrees Fahrenheit are not considered to be optimal for sleeping.

Temperatures exceeding 75 degrees Fahrenheit might cause sleep disruption. Exhaustion and dizziness are common side effects of being in an environment that is at or near boiling temperature. Sweating, shivering, and dehydration are all caused by high temperatures, and you become more sensitive to temperature variations.

As a result, high ambient temperatures shorten the amount of time spent in the rapid eye movement (REM) sleep cycle. In the summer, 65 degrees Fahrenheit is the ideal temperature for sleeping (18.3 degrees Celsius).


  1. What is the Best AC Temperature for Sleeping? — Crystal Clean Vents
  2. The Best Temperature for Sleep – Cleveland Clinic
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