Health Nation Nation & World How much sleep do you really need? Experts say it depends March 14, 2025 at 7:04 am Updated March 14, 2025 at 11:48 am ...

Such studies have revealed surprising short sleep durations. For instance, among hunter-gatherers, the San sleep for 6.7 hours a night on average, the Hadza for 6.2 hours and the Bayaka for 5.9 hours.

Quality sleep isn't just a nightly recharge—it's a proven way to lower your cancer risk. People who get enough restful sleep are much less likely to develop cancer, while those with ...

You can’t train your body to need less sleep. If you’ve experienced long-term sleep deprivation, you might have felt as if your body eventually adjusted. You can find ways to cope with less ...