It usually takes a magic spell to fall asleep this quickly and on cue, but just like spells, with practice you can eventually get to the sweet 10-second spot.

Your body temperature changes as you fall asleep. Your body cools down when you lie down and warms up when you get up (2, 3).If your room is too warm, you might have a hard time falling asleep.

Falling asleep is a normal and necessary part of the sleep/wake cycle. During waking hours, the pressure to fall asleep continues to build until sleep time. This pressure to fall asleep, also called ‘ sleep debt ‘, is decreased or ‘paid off’ while