news Biology Evidence status: Peer reviewed · Behavioural laboratory study
Jumping spiders sleep in two stages, one REM-like, behaviour study finds
Portia jumping spiders meet behavioural tests for sleep, with a REM-like stage that is harder to wake from and rebounds after disruption. No brain data yet.
What it does not show Behaviour only, in one species; no brain recordings, and sample sizes could not be checked against the full paper





































