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?, well, depends on the animal:

Image	Species	Sleep (% of the 24 hours)	Sleep (hours / day)
	Giraffe	7.9%	01.54 hours
	Horse	12.0%	02.54 hours
	Donkey	13.0%	03.06 hours
	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
	Star nosed Mole	42.9%	10.18 hours
	bottlenose dolphin	43.3%	10.24 hours
	Dog	44.3%	10.38 hours
	Jaguar	45.0%	10.48 hours
	Pato	45.0%	10.48 hours
	Conejo	47.5%	11.24 hours
	Rhesus monkey	49.2%	11.48 hours
	Mouse	50.3%	12.06 hour
	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
	Opossum North America	75.0%	18 hours
	Python	75.0%	18 hours
	Giant Armadillo	75.4%	18.06 hours
	Bat	82.9%	19.54 hours

The table How much animals sleep? It was adapted from four sources:

1 – Aserinsky, (E)., the status of lids at birth: relationship with adult mammals sleep-wake 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)., napping and polyphasic sleeping 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.