sleep deprivation

The pandemic has done a number on us, in too many ways to count. Our bodies are responding with feelings of fatigue and lack of focus, experts say. Here are some tips to help you feel better.

People who get more deep sleep appear less likely to develop Alzheimer's. That may be because this phase of sleep allows the brain to clear out waste products.

A boom in technology promising to improve sleep has an ironic side effect: orthosomnia. Thanks to sleep trackers, people get so obsessed with perfect sleep that they are losing sleep over it.

A study of 11 sleeping brains sheds some light on the mysterious link between sleep problems and Alzheimer's disease. The flow of cerebrospinal fluid through the brain appears to be the key.

The number of workers getting less than seven hours of sleep a night is rising. Stress and our culture of constant connection may be to blame.

Also this week, the Kentucky Supreme Court struck down a bill that prompted thousands of teachers to protest this spring.

Millions of sleep apnea patients rely on CPAP breathing machines to get a good night's rest. Health insurers use a variety of tactics, including surveillance, to make patients bear the costs.

Though teenagers need about nine hours of rest a night, most get only seven and are suffering. A new survey suggests their parents are struggling, too. Here's how to improve the quality of teen sleep.

"Human beings are the only species that deliberately deprive themselves of sleep for no apparent gain," says sleep scientist Matthew Walker. His new book is Why We Sleep.

Your noisy roommate probably won't like paying cold cash to get electric shocks. And that may not stop the snoring, sleep doctors say. Fortunately, there are other ways to turn down the volume.