Catching up on lost sleep a dangerous illusion

AJ Contributor

People who are chronically sleep-deprived may think they’re caught up after a 10-hour night of sleep, but new research shows that although they’re near-normal when they awake, their ability to function deteriorates markedly as night falls.

Some studies show that almost 30% of Americans get less than six hours of sleep at night.

Full Story: Catching up on lost sleep a dangerous illusion – USATODAY.com.