How much do animals sleep??

Most animals have a daily pattern of rest and activity. Some animals are more active during the day (daytime) and some are more active at night (night). How much do animals sleep??, good, depends on the animal:

SpeciesDream (% of the 24 hours)Dream (hours / day)
giraffe

Giraffe

7.9%

01.54 hours

Horse

Horse

12.0%

02.54 hours

Donkey

Donkey

13.0%

03.06 hours

elephants

African elephant

13.8%

03.18 hours

Sheep

Sheep

16.0%

03.48 hours

Cow

Cow

16.4%

03.54 hours

Asian elephant

Asian elephant

16.4%

03.54 hours

Goat

Goat

22.1%

05.18 hours

old man asleep

Human (old man)

22.9%

05.30 hours

Grey seal

Grey seal

25.8%

06.12 hours

fish-guppy

Guppy fish

29.1%

07 hours

Pork

Pork

32.6%

07.48 hours

sleeping

human adults

33.3%

08 hours

Guinea de Indias

Guinea de Indias

39.2%

09.24 hours

Chimp

Chimpanzee

40.4%

09.42 hours

Squirrel monkey

Squirrel monkey

41.3%

09.54 hours

European Hedgehog

European Hedgehog

42.2%

10.06 hours

Mole with star-shaped nose

Star nosed Mole

42.9%

10.18 hours

Baboon

Baboon

42.9%

10.18 hours

Bottle-nosed dolphin

Dolphin bottle snout

43.3%

10.24 hours

DOG

Dog

44.3%

10.24 hours

Jaguar

Jaguar

45.0%

10.48 hours

Duck

Duck

45.0%

10.48 hours

Conejo

Conejo

47.5%

11.24 hours

Rhesus monkey

Rhesus monkey

49.2%

11.48 hours

mouse

Mouse

50.3%

12.06 hours

gatoblanco

CAT

50.6%

12.06 hours

Cheetah

Guepardo cheetah

50.6%

12.06 hours

rat

Rat

52.4%

12.36 hours

gerbil

Gerbil

54.4%

13.06 hours

Leon Dormido

Leon

56.3%

13.30 hours

Platypus

ornitorinco

58.3%

14.0 hours

Golden Hamster

Golden Hamster

59.6%

14.18 hours

Three-toed sloth

Three-toed sloth

60.0%

14.24 hours

Huron

Huron

60.4%

14.30 hours

sapo1

Western Toad

60.8%

14.36 hours

Squirrel

Chipmunk

62.0%

14.54 hours

Tiger sleeps

Tiger

65.8%

15.48 hours

shrew arboricola

Shrew arboricola

65.8%

15.48 hours

bebedurm

Human (baby)

66.7%

16 hours

OWL monkey

Buho mono

70.8%

17.0 hours

Opossum

The North American opossum

75.0%

18 hours

Piton

Python

75.0%

18 hours

Armadillo

Giant Armadillo

75.4%

18.06 hours

Bat

Bat

82.9%

19.54 hours

Table How animals sleep? It was adapted from four sources:

1 – Aserinsky, (E)., the status of lids at birth: the relationship with adult mammalian circadian patterns, in REM sleep , edited by BN Mallick and S. Inoue, Narosa Publishing, New Delhi, 1999, p. 7.
2 – Campbell, the SS and Tobler, (I)., the dream of the animals:. A review of the duration of sleep through the phylogeny of neuroscience and Bioconductual Rev. , 8:269-300, 1984.
3 – Kryger, MH, Roth, T. and Dement'yevskoye, WC, Principles and practice of sleep medicine , WB Saunders Co., Philadelphia, 1989, pp 39-41.
4 – Tobler, (I)., siesta and transients in mammals, dream and monitoring: Cronobiológico aspects, Behavior and medicine of the siesta , edited by DF Dinges and Broughton RJ, Raven Press, New York City, 1989, pp 9-31.

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Jane Phillips
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Jane Phillips

The picture you have for a “squirrel” is not a squirrel, it is a chipmunk.

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