Why you shouldn’t hit the snooze button in the morning — according to a sleep expert

Waking up can be the worst.  It can feel natural, especially in a half-awake state, to turn off that obnoxious noise trying to wake us up.  But hitting the snooze button is just setting you up for failure.  James E. Gangwisch, an assistant Professor at Columbia University and sleep expert, reveals why this is.