SLEEP patterns vary widely among species. The most common assumption is that sleep is a requirement for all those with a brain since sleep is important to a number of brain functions, including how neurons communicate with each other. But is sleep only dedicated to those with a brain? Do jellyfishes also go to sleep? Read full story
Source : https://www.thestar.com.my/news/true-or-not/2023/08/24/quickcheck-do-jellyfish-sleep