The most comprehensive study of its kind confirms that jumping spiders go through two phases of sleep, including a REM-like state that is associated with human dreaming.

Australian jumping spiders show REM-like movements and recover after disrupted sleep, offering new clues to how sleep evolved ...

Humans and other vertebrates go through various stages of sleep, including REM (rapid eye movement) sleep characterized by ...

Spiders and cats might not seem to have much in common at first glance. But spend enough time watching a regal jumping spider, and the comparison starts to make a surprising amount of sense. These ...