Spiders dream like humans when they snooze, study finds | Explained News,The Indian Express

REM or Rapid Eye Movement sleep is characterized by shifting of eyes and increased brain activity. The body’s muscles begin to paralyze, suppressing most body movements but allowing for slight fluttering of limbs.

Scientists have found evidence to suggest that spiders might be more like humans than previously imagined. While they snooze, they might not just be resting, but perhaps even dreaming.

Daniela C. Rößler, a behavioural ecologist from the University of Konstanz in Germany, along with her colleagues recorded baby jumping spiders (Evarcha arcuata) with infrared cameras overnight, and found that they exhibited characteristics that were similar to human sleep cycles, such as leg curling, twitching and eye movement.

This could suggest that jumping spiders experience an “REM sleep-like state” that humans and other vertebrae undergo, the researchers claimed in their study published in the journal, Proceedings of the National Academy of Sciences of the United States of America (PNAS) on August 8.

REM or Rapid Eye Movement sleep is characterized by shifting of eyes and increased brain activity. The body’s muscles begin to paralyze, suppressing most body movements but allowing for slight fluttering of limbs.

This is the phase in which most people dream, and is considered to play an integral role in learning and memory retention.

https://indianexpress.com/article/explained/spiders-dream-like-humans-when-they-snooze-study-8083363/


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