Tossing and turning in bed, too hot under the blanket, too cold without it. So you compromise: one leg under, one leg out.
It feels instinctive. Comforting, even. But is it just a quirk?
Science says no. Researchers have found that this seemingly odd behavior may actually hold the key to better sleep.
Your body is trying to cool down
As you prepare to sleep, your body temperature naturally drops. It’s a signal to the brain to start releasing melatonin – the hormone that makes you sleepy.
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And your feet play a crucial role in that process.
The soles of your feet are packed with blood vessels that release heat fast. Just one exposed foot can speed up cooling.
That small temperature drop is enough to kickstart melatonin production, helping you fall asleep faster and sleep more deeply.
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Surprisingly, a warm bath before bed can have a similar effect.
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It raises your core temperature temporarily. Then, as you cool down afterward – especially through your feet – your body gets a clear signal to sleep.
Other studies suggest that wearing socks to bed can help, too.
Korean researchers found that warm feet can cut down the time it takes to fall asleep by over seven minutes – and even extend sleep duration by up to 30 minutes.
In the end, it’s all about temperature control.
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So next time your leg slips out from under the blanket, don’t pull it back in. Your body might know exactly what it’s doing.
This article is based on information from tv3.lt.
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