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Do Not Sleep In a Hot Room, Here's Why

Updated: Feb 24

Snuggled in a warm bed is an absolute pleasure, but what if it's getting too hot to handle? Studies say the best temperature for humans to sleep ranges between 15 to 22 Celcius. If it goes warmer, it could affect not only the quality of your sleep but also your body performance.

So, if you like to sleep in a hot room, you should consider why you should not do it.

sleeping in the summer


Heat Will Keep You Awake

When you're sleeping, your body temperature will naturally fluctuate, and once it goes up, it will alert your body and make it more difficult to fall asleep. To fall asleep, your body's temperature needs to drop to release the hormone that will lull your brain to sleep. Hence, if you're in a heated room, it will disturb your body by signalling the brain that it is time to hit the hay. So, if the room temperature is too hot, it will keep you wide awake, mate.


Low Quality of Sleep

The temperature of your room will not only keep you awake but also make you sweat, a lot. You will soon feel uncomfortable throughout the night, and even if you fall asleep, you won't be in a deeper state and reach the best sleep quality. Instead, you will wake up feeling dehydrated and more tired than before. This situation will likely put you into sleep deprivation. Sleep deprivation is a condition of not having the efficient duration and quality of sleep needed to achieve the best health and body performance.


Lower Brain Function

Research indicates that sleeping in warm environments harms humans, mainly their cognitive function. One of the studies was held by Harvard's School of Public Health, which found that people who slept without air conditioning performed 13% worse on tests than those who slept with air conditioning. Another study led by The Laboratoire de Physiologie et de Psychologie Environnementales of Strasbourg, France, found that people subjected to temperatures of 95°F for five days identified to have a decrease in sleep patterns, a decrease in alertness, and disrupted sleep cycles with shorter REM episodes.

Despite how cosy a warm room may appear at night, you'll sleep much better in a calmer setting with multiple layers of blankets or pyjamas that you can add to or remove as needed. Or, if you're in a place where the air conditioner is not something common to have, like how it is in the UK, you may try wearing loose material clothes to sleep or schedule your smart fan to turn on while you're sleeping.


AirGo Smart Fan and AirLit are smart fans that allow you to set a timer for your fan by measuring the room temperature. In addition, it also comes with three different modes and speeds that suit your preferences. Lastly, everything is controlled through GeoSmartPro's app, hence, making it more convenient for you to sleep even in a hot room.

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