Our brain uses light sleep to transition between slow-wave sleep, or deep sleep, and rapid eye movement, or REM, sleep, which is the stage in which we dream. Experts say about 50% of your night ...

The less college students sleep, the worse their grades, study finds. Every lost hour of average nightly sleep at the start of an academic term predicted a 0.07-point drop in a student’s GPA ...

My chart below graphs the total number of hours I slept each night for 31 nights straight. ... The month I recorded this data, I got about 8.5 to 9 hours of sleep each night.

A chart showing the relationship between hours slept and the risk of stroke. American Academy of Neurology. All data on sleep was self-reported by the participants, and they were not required to ...

Getting 7-8 hours of sleep a night; ... The research was an observational study analyzing data from 172,321 people who participated in the National Health Interview Survey between 2013 and 2018, ...

If you tap it, you’re taken to the Fitbit app on the Pixel Watch that offers a stripped-down version of the data you’ll find in the main Android app. Hours slept, your sleep score, a chart ...

Even just one night of less than six hours of rest can impair short-term memory. By Dani Blum We’re all familiar with the feeling of running on fumes after a night of little to no sleep. Sleep ...

In 2023, 22 percent of teen girls got at least eight hours of sleep vs. 25 percent of boys. From 2013 to 2023, adolescents from all races and ethnicities slept less, according to the CDC data.

Using Fitbit sleep trackers, they found that students on average sleep 6.5 hours a night, ... None of these factors affected the overall impact of nightly sleep on GPA.

The data it provides can help you and your doctor understand sleep problems. In fact, a 2022 study found that sleep tracking was a meaningful way to assess insomnia from the participants ...