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:
| Species | Dream (% of the 24 hours) | Dream (hours / day) |
|---|---|---|
 Giraffe | 7.9% | 01.54 hours |
 Horse | 12.0% | 02.54 hours |
 Donkey | 13.0% | 03.06 hours |
 African elephant | 13.8% | 03.18 hours |
 Sheep | 16.0% | 03.48 hours |
 Cow | 16.4% | 03.54 hours |
 Asian elephant | 16.4% | 03.54 hours |
 Goat | 22.1% | 05.18 hours |
 Human (old man) | 22.9% | 05.30 hours |
 Grey seal | 25.8% | 06.12 hours |
 Guppy fish | 29.1% | 07 hours |
 Pork | 32.6% | 07.48 hours |
 human adults | 33.3% | 08 hours |
 Guinea de Indias | 39.2% | 09.24 hours |
 Chimpanzee | 40.4% | 09.42 hours |
 Squirrel monkey | 41.3% | 09.54 hours |
 European Hedgehog | 42.2% | 10.06 hours |
 Star nosed Mole | 42.9% | 10.18 hours |
 Baboon | 42.9% | 10.18 hours |
 Dolphin bottle snout | 43.3% | 10.24 hours |
 Dog | 44.3% | 10.24 hours |
 Jaguar | 45.0% | 10.48 hours |
 Duck | 45.0% | 10.48 hours |
 Conejo | 47.5% | 11.24 hours |
 Rhesus monkey | 49.2% | 11.48 hours |
 Mouse | 50.3% | 12.06 hours |
 CAT | 50.6% | 12.06 hours |
 Guepardo cheetah | 50.6% | 12.06 hours |
 Rat | 52.4% | 12.36 hours |
 Gerbil | 54.4% | 13.06 hours |
 Leon | 56.3% | 13.30 hours |
 ornitorinco | 58.3% | 14.0 hours |
 Golden Hamster | 59.6% | 14.18 hours |
 Three-toed sloth | 60.0% | 14.24 hours |
 Huron | 60.4% | 14.30 hours |
 Western Toad | 60.8% | 14.36 hours |
 Chipmunk | 62.0% | 14.54 hours |
 Tiger | 65.8% | 15.48 hours |
 Shrew arboricola | 65.8% | 15.48 hours |
 Human (baby) | 66.7% | 16 hours |
 Buho mono | 70.8% | 17.0 hours |
 The North American opossum | 75.0% | 18 hours |
 Python | 75.0% | 18 hours |
 Giant Armadillo | 75.4% | 18.06 hours |
 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.
