An afternoon nap can re-energise and improve productivity in the second half of the day. But what if you could get the same benefits without actually falling asleep? In a groundbreaking new study, ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Nothing feels quite as good as waking up from a regenerating power nap ...

You’re in the middle of the afternoon, eyelids heavy, focus slipping. You close your eyes for half an hour and wake up feeling recharged. But later that night, you’re tossing and turning in bed, ...