Species BodyWt BrainWt NonDreaming Dreaming TotalSleep LifeSpan Gestation Predation Exposure Danger Africanelephant 6654 5712 NA NA 3.3 38.6 645 3 5 3 Africangiantpouchedrat 1 6.6 6.3 2 8.3 4.5 42 3 1 3 ArcticFox 3.385 44.5 NA NA 12.5 14 60 1 1 1 Arcticgroundsquirrel 0.92 5.7 NA NA 16.5 NA 25 5 2 3 Asianelephant 2547 4603 2.1 1.8 3.9 69 624 3 5 4 Baboon 10.55 179.5 9.1 0.7 9.8 27 180 4 4 4 Bigbrownbat 0.023 0.3 15.8 3.9 19.7 19 35 1 1 1 Braziliantapir 160 169 5.2 1 6.2 30.4 392 4 5 4 Cat 3.3 25.6 10.9 3.6 14.5 28 63 1 2 1 Chimpanzee 52.16 440 8.3 1.4 9.7 50 230 1 1 1 Chinchilla 0.425 6.4 11 1.5 12.5 7 112 5 4 4 Cow 465 423 3.2 0.7 3.9 30 281 5 5 5 Deserthedgehog 0.55 2.4 7.6 2.7 10.3 NA NA 2 1 2 Donkey 187.1 419 NA NA 3.1 40 365 5 5 5 EasternAmericanmole 0.075 1.2 6.3 2.1 8.4 3.5 42 1 1 1 Echidna 3 25 8.6 0 8.6 50 28 2 2 2 Europeanhedgehog 0.785 3.5 6.6 4.1 10.7 6 42 2 2 2 Galago 0.2 5 9.5 1.2 10.7 10.4 120 2 2 2 Genet 1.41 17.5 4.8 1.3 6.1 34 NA 1 2 1 Giantarmadillo 60 81 12 6.1 18.1 7 NA 1 1 1 Giraffe 529 680 NA 0.3 NA 28 400 5 5 5 Goat 27.66 115 3.3 0.5 3.8 20 148 5 5 5 Goldenhamster 0.12 1 11 3.4 14.4 3.9 16 3 1 2 Gorilla 207 406 NA NA 12 39.3 252 1 4 1 Grayseal 85 325 4.7 1.5 6.2 41 310 1 3 1 Graywolf 36.33 119.5 NA NA 13 16.2 63 1 1 1 Groundsquirrel 0.101 4 10.4 3.4 13.8 9 28 5 1 3 Guineapig 1.04 5.5 7.4 0.8 8.2 7.6 68 5 3 4 Horse 521 655 2.1 0.8 2.9 46 336 5 5 5 Jaguar 100 157 NA NA 10.8 22.4 100 1 1 1 Kangaroo 35 56 NA NA NA 16.3 33 3 5 4 Lessershort-tailedshrew 0.005 0.14 7.7 1.4 9.1 2.6 21.5 5 2 4 Littlebrownbat 0.01 0.25 17.9 2 19.9 24 50 1 1 1 Man 62 1320 6.1 1.9 8 100 267 1 1 1 Molerat 0.122 3 8.2 2.4 10.6 NA 30 2 1 1 Mountainbeaver 1.35 8.1 8.4 2.8 11.2 NA 45 3 1 3 Mouse 0.023 0.4 11.9 1.3 13.2 3.2 19 4 1 3 Muskshrew 0.048 0.33 10.8 2 12.8 2 30 4 1 3 NAmericanopossum 1.7 6.3 13.8 5.6 19.4 5 12 2 1 1 Nine-bandedarmadillo 3.5 10.8 14.3 3.1 17.4 6.5 120 2 1 1 Okapi 250 490 NA 1 NA 23.6 440 5 5 5 Owlmonkey 0.48 15.5 15.2 1.8 17 12 140 2 2 2 Patasmonkey 10 115 10 0.9 10.9 20.2 170 4 4 4 Phanlanger 1.62 11.4 11.9 1.8 13.7 13 17 2 1 2 Pig 192 180 6.5 1.9 8.4 27 115 4 4 4 Rabbit 2.5 12.1 7.5 0.9 8.4 18 31 5 5 5 Raccoon 4.288 39.2 NA NA 12.5 13.7 63 2 2 2 Rat 0.28 1.9 10.6 2.6 13.2 4.7 21 3 1 3 Redfox 4.235 50.4 7.4 2.4 9.8 9.8 52 1 1 1 Rhesusmonkey 6.8 179 8.4 1.2 9.6 29 164 2 3 2 Rockhyrax(Heterob) 0.75 12.3 5.7 0.9 6.6 7 225 2 2 2 Rockhyrax(Procaviahab) 3.6 21 4.9 0.5 5.4 6 225 3 2 3 Roedeer 14.83 98.2 NA NA 2.6 17 150 5 5 5 Sheep 55.5 175 3.2 0.6 3.8 20 151 5 5 5 Slowloris 1.4 12.5 NA NA 11 12.7 90 2 2 2 Starnosedmole 0.06 1 8.1 2.2 10.3 3.5 NA 3 1 2 Tenrec 0.9 2.6 11 2.3 13.3 4.5 60 2 1 2 Treehyrax 2 12.3 4.9 0.5 5.4 7.5 200 3 1 3 Treeshrew 0.104 2.5 13.2 2.6 15.8 2.3 46 3 2 2 Vervet 4.19 58 9.7 0.6 10.3 24 210 4 3 4 Wateropossum 3.5 3.9 12.8 6.6 19.4 3 14 2 1 1 Yellow-belliedmarmot 4.05 17 NA NA NA 13 38 3 1 1