How to fall asleep – Cool It!

Bodies cool down while we prepare to nod off. Our blood vessels expand, allowing heat to escape our bodies quicker. Body temperatures, which fluctuate by about 1 degree over the course of 24 hours, will bottom out in the wee hours of the morning.

People tend to sleep best in colder rooms, between 60 and 67 degrees

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Sleepy, from Maui’s Story by Peggy

Sleep researchers know that right before you fall asleep, your body temperature starts to drop; in the deepest stages of sleep, your body is at its coolest, about one or two degrees below normal. Some scientists believe cooler temperatures cause sleepiness, and although the pre-slumber cooling process happens naturally, there are a few things you can do to help it along:

  • Take a warm bath right before bed.  When you leave the tub, your body temperature rapidly cools, triggering that sleepy feeling.

  • Drink a warm beverage – works the same way as a warm bath.

  • Turn on a fan.

  • Stick your foot out of the covers.

But why the foot, specifically? The skin surfaces of both our hands and feet are unique – they’re hairless and contain specialized vascular structures that help with heat loss. Specifically, the hands and feet contain blood vessels called the arteriovenous anastomoses, which — coupled with the lack of hair on the bottoms of your feet — are perfectly designed to help dissipate body heat.

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