Do cuttlefish dream of electric shrimp?

“When cuttlefish sleep, they nestle into the gravel and close their eyes. Sometimes their eyes and arms start twitching—like humans do during deep sleep. Sometimes they change color while they sleep. It looks like they could be dreaming!”

How does sleeping charge us up?
Ask Dr Universe
https://askdruniverse.wsu.edu/2023/01/12/sleeping-charge-us/

#sleep #cuttlefish #dreams #AskDrUniverse #scienceEd