Warm Your Feet to Fall Asleep FasterHow your body's temperature signals it's time for bed.

From the show

Practical Body Science

Lowering your core body temperature is essential for initiating sleep. Your body does this by sending heat to your hands and feet. This is why having cold extremities can prevent you from dozing off. Discover the science behind this process, known as peripheral vasodilation, and a simple trick to help your body send its 'go to sleep' signal. A pair of socks might be all you need for a better night's rest.