Back to Show
PBS News Hour
Do we overestimate how much sleep we need?
By studying the habits of three hunter-gatherer groups who live much the way humans have for thousands of years, a team of scientists is challenging conventional wisdom about how much sleep we need. Hari Sreenivasan goes to UCLA to learn more about getting enough rest and to do something he's never done on assignment before: falling asleep while on the job.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By

57:46
May 28, 2025 - PBS News Hour full episode

57:46
May 27, 2025 - PBS News Hour full episode

57:46
May 26, 2025 - PBS News Hour full episode

26:45
May 25, 2025 - PBS News Weekend full episode

26:45
May 24, 2025 - PBS News Weekend full episode

57:46
May 23, 2025 - PBS News Hour full episode

57:46
May 22, 2025 - PBS News Hour full episode

57:46
May 21, 2025 - PBS News Hour full episode

57:46
May 20, 2025 - PBS News Hour full episode

57:46
May 19, 2025 - PBS News Hour full episode

26:45
May 18, 2025 - PBS News Weekend full episode

26:45
May 17, 2025 - PBS News Weekend full episode