A lot of people dread the clocks going back an hour in winter—but reassure themselves that at least they'll get an extra hour's sleep. However, in my new study, my colleagues and I found most people ...

Most people think they know their bedtime, but this study clocks it down to the minute. What time does the average American actually fall asleep? According to a new national survey, it’s precisely ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. If your teen is raiding the fridge late at night, science may have an ...

Employees' biological clocks do more than determine when they reach for coffee; they fundamentally shape how, when, and why ...

Morning sunlight can do wonders for your health. But not many people realise that it is particularly beneficial for your ...

A new study by investigators from Mass General Brigham and the Warren Alpert Medical School of Brown University reveals a distinct relationship between circadian rhythms, weight, and eating habits in ...