That is a question that hasn't really been answered. Studies show that dolphins can let half of the brain "sleep" while the other half is still awake. In this way a dolphin can be swimming but "asleep" and not run into anything. Doing this scientists have determined they get about 8 hours of "sleep" a day
11111 hours
8 Hours
how do the maui's dolphin sleep
in the ocean
dolphin sleep in ocean and in hear share
they sleep for about 2 through 2 hours with their eyes open
The female Maui dolphin is about 5.5 feet long. The male Maui dolphin is not quite as long as the female.
there is no such thing as a pink dolphin. But if there was no it would not sleep. Normal dolphins don't.
a whiute sideed dolphin is 560 feet long
the wingspan for a dolphin is about 10 ft. long.
every dolphin sleeps with one eye open.
Atlantic Hump-Backed Dolphin Atlantic Spotted Dolphin Atlantic White Sided Dolphin Black Dolphin Bottlenose Dolphin Clymene Dolphin Commersome's Dolphin Dusky Dolphin False Killer Whale Frasier's Dolphin Heaviside's Dolphin Hector's Dolphin Hourglass Dolphin Indo-Pacific Hump-back Irrawaddy Dolphin Long-finned Pilot Whale Long-Beaked Common Dolphin Long-Snouted Spotted Dolphin Melon Headed Dolphin Northern Right-Whale Dolphin Orcas (Killer Whale) Pantropical Dolphin Pacific-White Sided Dolphin Peale's Dolphin Pygmy Killer Whale Risso's Dolphin Rough Toothed Dolphin Short Finned Pilot Whale Short Beaked Common Dolphin Southern Right Whale Dolphin Striped Dolphin White Beaked Dolphin
Well, my favorite dolphins are the "Bottlenose Dolphin", "Common Dolphin" and "Dusky Dolphin".