From bats to giraffes: How much do animals sleep?

We may be different sizes, shapes and species — but one thing unites mammals, birds and reptiles: we all need sleep.

But the amount of downtime we each need varies, from hardly resting at all to snoozing most of the day away. Here are the typical sleep needs for more than 30 different animals — including humans.

From bats to giraffes - How much do animals sleep?

How much do animals sleep? Average sleep needs for various species

Here’s a table with 30+ different types of creatures, along with how much sleep each needs. The number shown is of the average total sleep time in hours per day, based on data provided by the Office of Science Education Home, National Institutes of Health.

Animal/species Hours
brown bat 19.9
python 18.0
owl monkey 17.0
human infant 16.0
tiger 15.8
squirrel 14.9
golden hamster 14.3
lion 13.5
gerbil 13.1
rat 12.6
cat 12.1
mouse 12.1
rabbit 11.4
jaguar 10.8
duck 10.8
dog 10.6
bottle-nosed dolphin 10.4
baboon 10.3
chimpanzee 9.7
guinea pig 9.4
human adolescent 9.0
human adult 8.0
pig 7.8
gray seal 6.2
goat 5.3
cow 3.9
sheep 3.8
elephant 3.5
donkey 3.1
horse 2.9
giraffe 1.9


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