# @themacrosift on Instagram

- **Type:** Image
- **Original URL:** https://www.instagram.com/p/DWPxuIcj19p
- **Gondola URL:** https://gondola.cc/posts/61607412-themacrosift-instagram
- **Thumbnail:** https://img.gondola.cc/tr:w-,h-,fo-auto/postThumbnails/00f8ef4a87.jpg
- **Posted:** 2026-03-24T00:08:31.000+00:00
- **Account Owner:** The Macro Sift | Exponential Tech (@themacrosift) — https://gondola.cc/themacrosift

## Caption

🔎 Sleeping Jellies

All animals with a nervous system sleep, even jellyfish, which don’t have brains. Why is this trait common across so many species? Researchers observed the natural sleep behaviors of jellyfish and sea anemones and then put them through periods of sleep deprivation. They found that sleep deprivation led to an accumulation of damage to the animals’ DNA. After sleeping again, their DNA was repaired. 
 
How it works: Sleep provides a “window” of downtime for the body to do a little self-care, helping to repair DNA damage and maintain its neuronal health. These animals’ sleep patterns are surprisingly similar to humans’—both species spend approximately one-third of their lives sleeping. This suggests that humanlike sleep might have evolved before even the most primitive brains. 
 
What the experts say: Whether you’re a human or a jellyfish, it looks like sleep is an important part of staying healthy. “This confirms that sleep allows a window for key housekeeping tasks,” says Philippe Mourrain, an associate professor of psychiatry and behavioral sciences at Stanford University who studies sleep and was not involved in the new study. 
~Scientific American

Representational image generated using ChatGPT

#JellyFish

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## Tags

jellyfish

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