Tired? Here’s How to Know if You’re Sleep Deprived.

The time change can leave you yawning the next day. But for many Americans, sleep deprivation is a year-round problem. https://static01.nyt.com/images/2024/11/03/well/03WELL-SLEEP-DEPRIVATION/03WELL-SLEEP-DEPRIVATION-mediumSquareAt3X.jpg