Dolphins: Half-Asleep Swimmers
Half-Brain Slumber
Dolphins have a unique way of sleeping called unihemispheric slow-wave sleep. This means that one half of their brain stays awake while the other half sleeps. This adaptation allows dolphins to continue swimming and surfacing for air even while part of their brain is resting. It’s a vital mechanism for survival in the ocean.
Keeping an Eye Out
During this type of sleep, one eye remains open while the other is closed, enabling dolphins to watch for predators and navigate their surroundings. This fascinating sleep behavior ensures that dolphins can maintain necessary bodily functions and stay safe in their aquatic environment.
