Train and bus drivers, doctors and carers, employees in companies where machines run around the clock: In many industries, people work in shifts. Some start early in the morning, or at midday. Others ...

Those effects include elevated core body temperature and heart rate and mental alertness. But the team found that previous estimates of exercise-related sleep disturbances might have underestimated ...

It’s four in the morning and you just can’t get back to sleep. You toss and turn, miserable in the knowledge that you have to get up in two hours to go to work. If only you could get one more hour of ...

The clock reads 2:37 a.m. Your mind races while your body exhausts itself tossing beneath tangled sheets. If this midnight misery sounds familiar, you’re far from alone. Nearly 70 million Americans ...

Time to give these so-called sleep hacks a rest? The team behind the sleep tracker Sleep Cycle crunched data from over 1 million global users to determine the social media slumber shortcuts that have ...