US EditionPublished • loading... • Updated
What an Ancient Jellyfish Can Teach Us About the Evoution of Sleep
Researchers found DNA damage in nerve cells of jellyfish and sea anemones accumulates while awake and is repaired during sleep-like states, supporting sleep’s role in cellular maintenance.
Summary by The Conversation
2 Articles
2 Articles
What an ancient jellyfish can teach us about the evoution of sleep
Cassiopea jellyfish seem to have a sleep state despite the fact they don't have a brain. THAIFINN/ShutterstockAn upside-down jellyfish drifts in a shallow lagoon, rhythmically contracting its translucent bell. By night that beat drops from roughly 36 pulses a minute to nearer 30, and the animal slips into a state that, despite its lack of a brain, resembles sleep. Field cameras show it even takes a brief siesta around noon, to “catch up” after a…
Coverage Details
Total News Sources2
Leaning Left1Leaning Right0Center1Last UpdatedBias Distribution50% Left, 50% Center
Bias Distribution
- 50% of the sources lean Left, 50% of the sources are Center
50% Center
L 50%
C 50%
Factuality
To view factuality data please Upgrade to Premium
