Anybody who has ever struggled to get enough sleep knows just how much in life can interfere with our rest, and just how ...

Researchers from the Max Planck Institute of Animal Behavior (MPI-AB) and the University of Konstanz in Germany, working with ...

Researchers studied the sleeping habits of 53 orangutans in Indonesia over a period of 14 years. Power naps: Orangutans compensate for sleep deprivation by taking naps during the day. The length of ...