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How Much Do Animals Sleep?


Most animals have a daily pattern of rest and activity. Some animals are more active during the day (diurnal) and some are more active during the night (nocturnal). How much time do animals spend sleeping? Well, it depends on the animal:


SpeciesAverage Total Sleep Time
(% of 24 hr)
Average Total Sleep Time
(Hours/day)
Brown Bat82.9%19.9 hr
Giant Armadillo75.4%18.1 hr
North American Opossum75%18 hr
Python75%18 hr
Owl Monkey70.8%17.0 hr
Human (infant)66.7%16 hr
Tiger65.8%15.8 hr
Tree shrew65.8%15.8 hr
Squirrel62%14.9 hr
Western Toad60.8%14.6 hr
Ferret60.4%14.5 hr
Three-toed Sloth60%14.4 hr
Golden Hamster59.6%14.3 hr
Platypus58.3%14.0 hr
Lion56.3%13.5 hr
Gerbil54.4%13.1 hr
Rat52.4%12.6 hr
Cat50.6%12.1 hr
Cheetah50.6%12.1 hr
Mouse50.3%12.1 hr
Rhesus Monkey49.2%11.8 hr
Rabbit47.5%11.4 hr
Jaguar45%10.8 hr
Duck45%10.8 hr
Dog44.3%10.6 hr
Bottle-nosed dolphin43.3%10.4 hr
Star-nosed Mole42.9%10.3 hr
Baboon42.9%10.3 hr
European Hedgehog42.2%10.1 hr
Squirrel Monkey41.3%9.9 hr
Chimpanzee40.4%9.7 hr
Guinea Pig39.2%9.4 hr
Human (adult)33.3%8 hr
Pig32.6%7.8 hr
Guppy (fish)29.1%7 hr
Gray Seal25.8%6.2 hr
Human (elderly)22.9%5.5 hr
Goat22.1%5.3 hr
Cow16.4%3.9 hr
Asiatic Elephant16.4%3.9 hr
Sheep16%3.8 hr
African Elephant13.8%3.3 hr
Donkey13.0%3.1 hr
Horse12.0%2.9 hr
Giraffe7.9%1.9 hr
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