The time you naturally wake up in the morning might seem random or simply a necessity based on your work schedule, but ...

Wake up. Snooze. Coffee ... coffee consumed at this time may actually blunt cortisol's natural effects, according to Stephen Miller, a Ph.D. candidate at the Uniformed Services University of ...

Other health conditions like chronic pain — or sleep disorders such as sleep apnea or insomnia — can also disrupt sleep, according ... it's time to sleep," she said. "If you wake up and ...