What type of sleep do Dolphins and Wales etc exhibt?
I found two terms for the practice of sleeping with half the brain while slowly swimming, logging and cat napping. I didn’t find a scientific term for it. “Because of their undersea environment, whales and dolphins must be conscious breathers: They have to actively decide when to breathe. Consequently, in order to breathe, they have to be conscious. This presents a problem, since mammalian brains need to enter an unconscious state from time to time in order to function correctly. The solution for whales and dolphins is to let one half of the brain sleep at a time. In this way, the animal is never completely unconscious, but it still gets the rest it needs. This state is probably something like the semi-conscious state we experience as we begin to fall asleep. We’re pretty close to unconsciousness, but are aware enough of our surroundings to wake up completely if we need to. Dolphins and whales sleep near the surface of the ocean so they can come up for air easily. It’s not uncommon to
