Daylight saving time begins on Sunday, March 9, meaning most Americans will lose an hour of sleep as we "spring forward." ...

When is the best time of day to take a nap? This is the optimal time window to take a nap during the day in order to feel ...

Women aged 80 and older who experience increased sleepiness are twice as likely to develop dementia as those with stable ...

Today, when people wake up in the middle of the night, it's not unusual to panic – after all, we tend to believe that we should sleep for a ... conversation into the early hours of the morning ...

To specify the process responsible for sleep-related improvement, we compared the effects of 'early' and 'late' sleep, dominated respectively by slow-wave and rapid eye movement (REM) sleep.

Three days without sleep and a person typically cannot speak ... over time” to stay well and stave off the prospect of an early death. The AMA research followed work published by The Journal ...