Do Fish Sleep?

It's hard to imagine Nemo catching some z's in the Great Barrier Reef. But fish do need rest. Do they sleep like we do?

How Do Fish Sleep Inside The Aquarium? Curious facts about Fish

Do Fish Sleep? — Enchanted Lion Books

Nighttime Rituals: Do Fish Really Sleep?

Do Fish Sleep? - How To Tell If A Fish Is Sleeping - PetReview

Do Fish Sleep with Their Eyes Open?

Fish sleep like us, new research has found - Scope

Fish Sleeping Habits

Do fish sleep? - BBC Science Focus Magazine

Cave Fish Insomnia

Do Fish Sleep?