How much sleep do you need at different ages? Doctors explain age-wise sleep requirements, why sleep needs change across life ...

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 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 ...

It's often hard to know exactly how much sleep you should be getting. Experts claim most healthy adults need seven to nine hours per night – but this is hardly exact, and it also depends on age and ...

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 ...

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 ...

How much sleep do people really need? Just as the eight-hour workday is an artificial construct, so is “you need eight hours of sleep.” Scientists put sleep trackers on members of pre-industrial ...

The mom of a 16-year-old night owl asks: How much sleep do teens need in the summer? Should parents wake up their teens at a semi-decent hour of the morning, or let them sleep? “He is turning into a ...

It’s no secret that we all love our sleep. Time spent resting — whether we allow ourselves the pleasure or not — is crucial for our daily functioning and wellbeing. And while we relish the hour that ...

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 ...