Tsukuba, Japan—Daily sleep and activity are fundamental to both physical and mental health. Although previous studies have largely emphasized quantitative aspects such as sleep duration and physical ...

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.

Sleep hygiene refers to habits that support good-quality sleep. These include allowing enough time for sleep, keeping your ...

There are countless sleep hacks, supplements, and cozy pajamas that may elevate your sleep game, but that doesn’t mean ...

This is the third installment in a series of articles about the science of various aspects of college life. Around 70% of college students report getting less than eight hours of sleep a night. With ...

Getting enough sleep is crucial to maintaining both physical and mental well-being, yet many people don't realize they are sleep-deprived. Sleep psychologist Janet Kennedy, founder of NYC Sleep Doctor ...

Baggy eyes and low energy aren't the only consequences of missing out on some good shut-eye. Reviewed by Dietitian Jessica Ball, M.S., RD Regular sleep supports physical and mental well-being, ...

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 ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Need another reason to prioritize your sleep ...

You’ve probably heard the standard advice about getting eight hours of sleep. Maybe you even pride yourself on catching those full eight hours whenever possible—even if that means sleeping until noon ...

Sleep is important at any age. Older adults often do not get enough sleep. However, proper sleep hygiene can help promote healthy sleep habits. Getting enough sleep can also help you stay healthier as ...

If you find yourself asking, “How much sleep do I need?” you’re not alone. Between work, family, late-night scrolling and early morning alarms, getting enough rest can feel impossible. But sleep isn’t ...