daylight saving time
If you've ever realized you were dreaming while you were still asleep, you've had what's called a lucid dream.
People whose brains respond strongly to rewards may be less prone to some of the negative effects of sleep deprivation, a new study finds.
Many hope that marijuana will help their insomnia. A sleep psychologist examines the evidence.
An online therapy program designed to treat insomnia also appears to reduce levels of anxiety and depression, a new study from the United Kingdom finds.
Live Science newsletter
Stay up to date on the latest science news by signing up for our Essentials newsletter.