"Deep sleep builds your immune system, and REM sleep regulates and fine-tunes it," says Darwall-Smith agrees. During deep ...
But how do sleep cycles work? To find out, I took part in a polysomnography. This is a gold standard sleep study that helps ...
More people are becoming obsessed with sleep trackers, causing insomnia and making sleep worse, experts say. Here’s how to ...
Most people spend a third of their lives sleeping, but you may need more or less than eight hours a night. The amount of ...
Learn about the importance of sleep and how to improve your sleep routine. Chronic insomnia can lead to serious health problems.
According to a 2020 survey by the National Center for Health Statistics, 14.5% of adults had trouble falling asleep most days or every day in the past 30 days. In ...