I function well on around six hours a night, but now I'm wondering if I should try to sleep more and, if so, how?

7-9 hours remains the guideline, but not everyone needs that much sleep. Some need less, some need more. Sarah Mitroff/CNET If you find yourself asking, “How much sleep do I need?” you’re not alone.

Discover why sleep is more powerful than you think—and how a lack of it can quietly impact everything from your mood to long‑term brain health.

The idea that you can gradually train your body to function optimally on less sleep has become a badge of honor in our productivity-obsessed culture, but this belief is based on a fundamental ...

Short sleep cycles are no longer an exception. Hectic schedules, long work hours, and screentime addiction mean that most ...