Are you a heavy sleeper? Well, chances are, your brain is working hard while you're at rest!
Find out why mothers who save breast milk in bottles during the day are in for a long night
Did you know that people with red hair need more anesthesia during surgery than other people? Find out why on this Moment of Science.
It's such a commonplace event that you probably never asked yourself why you sleep. But from a scientific point of view, this is far from a mundane matter.
If you've ever stayed up the whole night through, you may have noticed that you begin to feel cold in the hours just before morning. Why does this happen?
Have you been having trouble sleeping lately? Learn about an interesting way to cure insomnia!
Find out why melatonin is called "the hormone of darkness."
Scientists have long wondered how cetaceans, such as whales and dolphins, are able to get enough sleep. Learn more on this Moment of Science.
How is it that cats can sleep so much? Learn more on this Moment of Science.
If you've ever been up all night, you may have found that staying awake becomes a lot easier after five or six a.m. Why?