Dolphin Ultra Instinct: -------------------- Unlike most animals, dolphins sleep with only one hemisphere of their brain at a time, keeping one eye open to stay alert. --------------------------------------- ➡️ Explanation: ---------------- Dolphins practice **unihemispheric slow-wave sleep (USWS)**, meaning one half of their brain rests while the other remains active. This allows them to **continue surfacing for air and detect predators** even while sleeping. -----------------------------------

Did you know dolphins only let half of their brain sleep at a time? It’s called unihemispheric slow-wave sleep, where one half rests while the other stays awake to keep watch, come up for air, and even keep an eye on their surroundings—literally! One eye stays open during their nap. Talk about impressive multitasking. Did you learn anything new? Let us know below! . . . . #dolphins #oceanlife #science #conservation #dolphinlove #marineconservation #dolphin #oceanlife | Dolphin Quest

World Dolphins 🐬 Day! Dolphins only sleep with half of their brains. This “unihemispheric slow-wave sleep” means they sleep with half of their brain and shut the opposite eye, allowing them to still monitor their surroundings. Each side of the brain gets about four hours of sleep each day. Dolphins can be very fast swimmers. If they are in a hurry or trying to move away from something dangerous, dolphins have been clocked swimming up to 25 miles per hour. As mammals, dolphins breathe air from a