People who naturally stay up late, self-described night owls, are more likely to have poor heart health than people with a ...

Breakthrough sleep apnea medication AD109 shows promising results in phase 3 trials, potentially helping 30 million Americans with the condition.

Experts reveal symptoms that strike during nighttime rest and what those signs might mean for your health.

People struggling with insomnia tend to hyperfocus on the fact that they can't sleep, which can prevent them from getting any shut-eye. Experts share effective practices to overcome sleep stress.

Are sleep trackers on your phone helping you get a full night's rest? NPR's Life Kit investigates.