American teenagers are sleeping less than ever, with only about one in four getting the recommended eight hours on school nights.

A large study of more than 10,000 adolescents found age 13 marks a sharp rise in bedtime screen use. Teens were more likely to scroll, stream, and message in bed, leading to shorter and more disrupted ...

A new study to be presented at the SLEEP 2025 annual meeting found that teens with earlier, more efficient, and less variable sleep patterns at age 15 had better cardiovascular health at age 22.

Starting school later helps teenagers get more sleep, improves well-being, and supports stronger academic performance.

SHANGHAI — Early to bed, early to rise makes teenagers… smarter? New international research using Fitbit data from thousands of teens has revealed that adolescents with earlier bedtimes and longer ...

Adequate sleep and physical exercise are cornerstones of a healthy lifestyle. In 2023, only about a quarter of high school students in the U.S. met the guideline for daily exercise, and another recent ...

The fall can lead to sleep issues in teens. Experts share why that's the case and how parents can help. During puberty, your teen’s body naturally wants to fall asleep and wake up later, which can ...

It’s easy to think that a few minutes less sleep won’t make much difference. But research shows that, during adolescence, even a short change in bedtime can shape brain development and thinking skills ...

Keep those early and predictable bedtimes for your teenagers — and keep the iPhones out of their bedrooms. That is the finding of a new study by Stony Brook University researchers who determined that ...