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Jumping spiders show REM-like sleep, but do they dream?

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

Sleep-deprived jumping spiders spent 80% more time in REM-like sleep

Fringed jumping spiders sleep in two distinct stages, and after one disrupted night they made up the loss with extra ...
BIOENGINEER

Jumping spider shows two-stage sleep with REM-like state, study finds

Researchers at the University of Bonn report that the Australian jumping spider Portia fimbriata shows regulated sleep with ...
Inc.

Better Sleep, Better Health: a New Study Shows Getting More REM Sleep is Linked to Lower Risk of 83 Different Diseases

Clearly how many hours of sleep you get is important. But so is the kind of sleep you get, and when you sleep (more on that in a bit.) According to a study just published in PLOS Medicine: (My Apple ...