Popular Health ‘Myths’ That Science Says Might Actually Be True

You Can Catch Up On Sleep During The Weekends

Many people try to “catch up” on the sleep they lost during the week by sleeping in on weekends. Scientists have debated over whether this is true. But in 2018, a study in the Journal of Sleep Research determined that you can cancel a few of the health risks.

A man sleeps in his bed.
Lambert/Getty Images
Lambert/Getty Images

When people sleep for less than seven hours per night, they have a 65% chance of early mortality. But when people sleep in on weekends, that mortality risk decreases. You still have some health risks by sleeping less during the week, however, so always aim for eight hours.