Skip to main content
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.

Support Provided By
Season
September 14, 2025 - PBS News Weekend full episode
26:45
September 14, 2025 - PBS News Weekend full episode
September 13, 2025 - PBS News Weekend full episode
26:45
September 13, 2025 - PBS News Weekend full episode
September 12, 2025 - PBS News Hour full episode
57:46
September 12, 2025 - PBS News Hour full episode
September 11, 2025 - PBS News Hour full episode
57:46
September 11, 2025 - PBS News Hour full episode
September 10, 2025 - PBS News Hour full episode
57:46
September 10, 2025 - PBS News Hour full episode
September 9, 2025 - PBS News Hour full episode
57:46
September 9, 2025 - PBS News Hour full episode
August 31, 2025 - PBS News Weekend full episode
26:45
August 31, 2025 - PBS News Weekend full episode
April 5, 2025 - PBS News Weekend full episode
26:45
April 5, 2025 - PBS News Weekend full episode
January 12, 2025 - PBS News Weekend full episode
26:44
January 12, 2025 - PBS News Weekend full episode
January 11, 2025 - PBS News Weekend full episode
26:45
January 11, 2025 - PBS News Weekend full episode
June 24, 2024 - PBS NewsHour full episode
57:46
Israel's Prime Minister says the intense phase of the war in Gaza will end soon as Israel and the U.S. argue over weapons deliveries.
June 3, 2024 - PBS NewsHour full episode
57:46
After Claudia Sheinbaum becomes the first woman to win Mexico's presidential election, a look at what that means for U.S. relations.
Active loading indicator