Marina Benjamin's book is more impressionistic and personal than scientific: Don't look here for an explanation of the chemistry or biology of nocturnal wakefulness.
"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.
When people have dreams, an area near the back of the brain seems to wake up. And specific patterns of brain activity in that area can even reveal what we're dreaming about.
Infants should sleep in the same room as their parents for the first six months of their lives, and ideally, the entire first year. That's a key recommendation from the American Academy of Pediatrics.
Users of an app developed by the University of Michigan to help with jet lag entered information on their time zone and sleep patterns that helped academics with their work. But is the approach valid?
No wonder we don't feel rested after a first night in a new place: Half of our brain has stayed alert while the other half enjoyed deeper sleep, a study finds. We really havebeen half-asleep.
Arianna Huffington says we're in the midst of a sleep deprivation crisis and that Donald Trump really shouldn't be bragging about needing only four hours of sleep a night.
Americans aren't getting enough sleep in general. But if you live in Minnesota or South Dakota you have a better chance of getting enough shuteye. And people in Hawaii are most sleep-deprived.
There's been plenty of disagreement over whether stimulant drugs used to treat ADHD interfere with children's sleep. A review of studies finds the drugs make it harder to fall asleep and stay asleep.