Awake at 3 a.m? Doctors warn you this

How elevated cortisol can wake you up at 3 a.m. and what to do to get back to sleep.

Waking up in the middle of the night and struggling to fall asleep again is far more common than most people realize. The mistake many of us make is trying to force sleep. We shut our eyes, repeat “I have to sleep,” and the harder we try, the more alert we become.