Did you know that dolphins (Delphinus delphis) can sleep in motion? Dolphins engage in a form of rest called unihemispheric sleep, where they shut down half of their brain to rest; the other half stays awake at a low level of alertness to watch for predators, obstacles and other animals. This incredible footage shows two dolphins being guided by a third dolphin as they rest. 🎥 Robby and Lorien (@globetrottingbaes) #ausgeo #ocean #sealife #underwaterphotography #rays #shark #nature #naturephotog

Why Do Dolphins Sleep With One Eye Open? Dolphins have a pretty wild way of sleeping. They rest half their brain at a time—keeping one eye open for danger. Picture floating on the ocean, half awake and half dreaming. This unusual skill has a fancy name: unihemispheric slow-wave sleep. It lets dolphins stay safe and rested at the same time. Nature really thinks of everything! Follow for more fascinating insights into the unique abilities of marine life. #DolphinSleepHabits #UnihemisphericSlowWave

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. -----------------------------------