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Original paper

A sleep-like state in Hydra unravels conserved sleep mechanisms during the evolutionary development of the central nervous system

Volume: 6, Issue: 41
Published: Oct 7, 2020
Abstract
Sleep behaviors are observed even in nematodes and arthropods, yet little is known about how sleep-regulatory mechanisms have emerged during evolution. Here, we report a sleep-like state in the cnidarian Hydra vulgaris with a primitive nervous organization. Hydra sleep was shaped by homeostasis and necessary for cell proliferation, but it lacked free-running circadian rhythms. Instead, we detected 4-hour rhythms that might be generated by...
Paper Details
Title
A sleep-like state in Hydra unravels conserved sleep mechanisms during the evolutionary development of the central nervous system
Published Date
Oct 7, 2020
Volume
6
Issue
41
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