All too often people write off signs of sleepiness, such as dozing off during a work meeting, as an insignificant issue instead of a sign of a potentially dangerous sleep deficit, experts say.

Taking longer than 20 minutes to fall asleep could be a sign of stress, anxiety, or sleep issues If you go to sleep very quickly, this can be a sign of sleep deprivation. It can indicate that you ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. Find yourself yawning a lot? Do you need that ...