19/ MAY /2023
Bullfrog
Bullfrogs are able to stay awake for long periods of time during the breeding season in order to protect their eggs and tadpoles.
Dolphins
Dolphins are known to sleep with one eye open, as they need to come to the surface to breathe.
Giraffe
Giraffes only need between 10 minutes to 2 hours of sleep per day, and they usually nap standing up.
Horses
Horses only need around 2 to 3 hours of sleep per day and often take naps while standing up.
Jellyfish
Jellyfish do not have a brain and therefore do not sleep. They are able to survive without rest as long as they have access to food.
Sharks
Sharks are able to swim continuously without resting, and some species are known to rest while swimming.
Elephants
Elephants only sleep for around 2 to 3 hours per day and often nap standing up.