Sleep is still a mystery, despite how critical it is for our health. Most of us spend roughly one third of our lives sleeping, but you may need more or less than eight hours a night. Here’s what sleep ...

Overview: Sleep needs change with age and lifestyle, so focusing on how refreshed and energetic you feel each day is more helpful than following one fixed numbe ...

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 ...

Deep sleep helps you feel refreshed and typically makes up 20–25% of total sleep time, or about one to two hours per night for adults. If you're not sleeping soundly, certain strategies can help ...

Daylight saving time ends at 2 a.m. on November 2, giving Americans an extra hour of sleep but earlier sunsets. A study shows sleep duration and bedtime vary by state. Experts say seven to nine hours ...

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 ...

When you don’t get enough sleep, your whole body can feel off. In college, I tried to fit everything into my schedule, including staying up late to study and waking up early to train for a marathon. I ...

Sleep is important at all ages, but older adults often do not get enough. Proper sleep hygiene can help promote healthy sleep habits and help individuals stay healthy as they age. Sleep hygiene refers ...

The middle of the night used to be my special time. I’d use it to cram for a test, read a mystery, or play Candy Crush—with no one around. As I got older, those nighttime hours became time to answer ...