Sleep

A new study suggests that permanent standard time may reduce obesity and stroke

Washing waste from the brain is an essential function of sleep—and it could help ward off dementia

Neuroscientists have found that the brain can wake up in different ways, explaining why some mornings feel like a dream and some feel like a disaster

When insomnia took hold of this journalist, she relied on her science reporting to find a medication that (mostly) worked

A sleep medicine specialist explains how restless nights lead to consuming more calories and how you can use sleep as a tool for weight loss

Drugs that target wakefulness, molecules in cannabis and wearable devices that modulate brain activity could help people with insomnia

Snoring indicates oxygen reduction, but a variety of treatments can restore healthy airflow

Scrolling on social media at bedtime is particularly disruptive to sleep. Here’s why

People on TikTok and other social media say they feel more alert when they have had fewer hours of sleep—but sleep scientists warn this is a false sense of energy

The current system of daylight saving time and early school start times wastes billions while causing more car accidents, workplace injuries and health issues

Recurring dreams may feature taking a test the dreamer didn’t study for, having to make a speech or being attacked. Here’s why our sleeping brain comes back to these unpleasant dreams again and again

The winter solstice is the culmination of a period every year when each cell in our body literally craves more light