A new study showed how cultures may affect how much sleep people get and that it doesn't always mean poorer health.

A sweeping analysis of sleep duration and signs of ageing in half a million adults has pinpointed a sweet spot — about six to ...

The old advice to simply get eight hours misses a bigger picture, researchers say. New studies reveal that timing, ...

Will this increase the pressure for you to get more sleep? A new study has found an association between getting less than seven hours of sleep and having high blood pressure. This study hasn’t yet ...

An analysis of biological clocks throughout the human body suggests that too few hours of sleep—and too many—may speed aging ...

Most adults need 7–9 hours of sleep per night, but nearly 30% fall short, and even those who hit the target often lack consistency. Sleep isn’t just about feeling rested; it’s essential for metabolic ...

Most adults still need about 7 to 9 hours of sleep each night as they age, and needing less sleep later in life is a myth. Teenagers ages 13 to 17 need 8 to 10 hours per 24 hours. Sleep may feel ...

Everyone has heard that it's vital to get seven to nine hours of sleep a night, a recommendation repeated so often it has become gospel. Get anything less, and you are more likely to suffer from poor ...

Research has found that teenagers should be getting eight to ten hours of sleep every night. But many are sleeping far less than that and nearly one in four also suffer from insomnia. William Brangham ...

You’ve probably heard that eight hours of sleep each night is ideal. But TikTokers are calling it into question, saying the advice is rooted in research on men. “Us girlies need nine to 10 — minimum,” ...

John Lopos, CEO of the National Sleep Foundation, framed the stakes more broadly. “Sleep is fundamental to thriving across ...