Here’s What Really Happens To Your Body When You Sleep With Your Socks On

But why does covering your feet at night help expedite good-quality sleep? Well, in his piece for Medical News Today, Gill explained, “Warming up the feet and hands makes the blood vessels dilate – a response that is called vasodilation. This releases heat through the skin and helps to lower core body temperature, [which] in turn sends a message to the brain that it is bedtime.”