I've had to adjust my wake-up time depending on my ... For the next hour, my two older kids get up and get ready for school.

In the past, doctors recommended that parents regularly wake up kids after a concussion to make sure they were OK. Now they recommend letting kids rest and sleep as needed after a head injury. This ...

During the teen years, the body's internal sleep clock is reset to fall asleep later at night and wake up later in the morning. This change happens because teen brains make the sleep hormone melatonin ...