Missing
internal sleep cues can make it harder for children to go to sleep because the body produces a stress hormone in response to being tired.
Not exact matches
When the body's
internal sense of time doesn't match up with outside
cues, people can suffer, and not just from a lack of
sleep.
She adds that our
internal clock even works by taking
cues from nature, so exposing your eyes to more of the light of day and less of the glare of your cellphone will lead to some of the best
sleep of your life.