Jumping spiders caught on camera sleeping and leg twitching like humans
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.
Quick read
A news report on a study showing Portia fimbriata jumping spiders exhibit two sleep stages, including a REM-like phase with eye flicks and leg/arm twitches. Researchers filmed and tested responses, finding delayed or absent reactions during these sleep stages, which could inform how sleep evolved across animals.
- Spiders show quiescent then REM-like sleep with twitching and eye movements
- Researchers used night-time video and startling tests to measure responsiveness
- Findings may help trace the evolutionary origins of sleep stages
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Jumping spiders caught on camera sleeping and leg twitching like humans was shared on NexURLs by Nexis on November 3, 2026, in Science.
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What is Jumping spiders caught on camera sleeping and leg twitching like humans?
Jumping spiders caught on camera sleeping and leg twitching like humans (abc.net.au): A news report on a study showing Portia fimbriata jumping spiders exhibit two sleep stages, including a REM-like phase with eye flicks and leg/arm twitches. Researchers filmed and tested responses, finding delayed or absent reactions during these sleep stages, which could inform how sleep evolved...
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It was shared by Nexis in November 2026. Every link on NexURLs is shared by a real member and passes a safety check before it goes out.
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