FthmFDockDFHMWincdDC)DcCncdCCdsCCaxcrFnTb si:mass:kgkg? si:mass:gg?PbM si:time:ss?"clock:time:minutemin@Nclock:time:hourh@N calendar:time:dayd@8!calendar:time:yeary@vDColKCmpDCmp DCol Collection 1KCntDsCnYClCn>TCmRf}8InSt)CoIn @b @e`@z@@`CmPn?UUUUUUCDNdCDScColl=qMammalsCDNdCDScCDHl&ClCs2(AtLs CCsAAttr CsAtCCsASpeciesPrLsSPrLCCsAAttr=CsAtCCsA BodyWeightPrLsSPrLUnitUnitPropUnitCCsAAttr>CsAtCCsA BrainWeightPrLsSPrLUnitUnitPropUnitCCsAAttrCCsAtCCsANondreamingSleepPrLsSPrLUnitUnitPropUnitCCsAAttr@CsAtCCsA DreamingSleepPrLsSPrLUnitUnitPropUnitCCsAAttr=CsAtCCsA TotalSleepPrLsSPrLUnitUnitPropUnitCCsAAttr;CsAtCCsALifeSpanPrLsSPrLUnitUnitPropUnitCCsAAttrCsAtCCsA PredationPrLsSPrL CSprNeg1PropNeg1CCsAAttr=CsAtCCsAExposurePrLsSPrL CSprNeg1PropNeg1CCsAAttr;CsAtCCsADangerPrLsSPrL CSprNeg1PropNeg1CCmAAttr CmAt-CCmADisplay PrLsSPrLAtLs!CCmAAttrCmAtzCCmAOriginPrLsSPrLAtLsnCCsAAttrCsAtCCsAxPrLsSPrLCCsAAttrCsAtCCsAyPrLsSPrLCCmAAttr CmAt&CCmAPicturePrLsSPrLAtLsCCsAAttrCsAtCCsAimagePrLsSPrLCCsAAttrCsAtCCsAxPrLsSPrLCCsAAttrCsAtCCsAyPrLsSPrLCCsAAttrCsAtCCsAwidthPrLsSPrLCCsAAttrCsAtCCsAheightPrLsSPrLCCmAAttr!CmAtCCmA_CaptionPrLsSPrLAtLsCCsAAttr CsAtCCsAcaptionPrLsSPrLstring[(**)"Species"]CCsAAttrCsAtCCsAxPrLsSPrLCCsAAttrCsAtCCsAyPrLsSPrLCDNdCDScCDHl1HmCAAtLs1 HCAtAttr CsAtHCAtjSpeciesPrLsSPrLGnCAHmCDGnCAV> African elephant African giant pouched rat  Arctic fox Arctic ground squirrel Asian elephant Baboon  Big brown bat Brazilian tapir Cat  Chimpanzee  Chinchilla Cow Desert hedge hog Donkey Eastern American moleEchidna European hedge hog Galago Genet Giant armadilloGiraffe Goat Golden hamsterGorilla  Gray seal  Gray wolf Ground squirrel  Guinea pig Horse Human JaguarKangaroo Lesser short-tailed shrew Little brown batMole rat Mountain beaver Mouse  Musk shrew Nine-banded armadillo North American opossum Okapi  Owl monkey  Patas monkey  Phanlanger Pig RabbitRaccoon RatRed fox  Rhesus monkey Rock hyrax (Heterob) Rock hyrax (Procaviahab)Roe deer Sheep  Slow loris Star nosed mole Tenrec  Tree hyrax  Tree shrew Vervet  Water opossum Yellow-bellied marmotHCAtAttr#CsAtHCAt BodyWeightPrLsSPrLGnCAHmCDGnCA>@ zG?p =q @%?O;dZ@ ffffff@JzG?333333?ᙙ@gc33333?333333?Q?ə?\(<@;\)?QU@B*=p ?"`B? 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(1976), Science, November 12, vol. 194, pp. 732-734. Available on-line at: http://lib.stat.cmu.edu/datasets/sleep or http://www.statsci.org/data/general/sleep.txt. Predation is an index of how likely the mammal is to be preyed upon. 1 = least likely to be preyed upon 5 = most likely to be preyed upon Exposure is an index of the how exposed the mammal is during sleep 1 = least exposed (e.g., sleeps in a well-protected den) 5 = most exposed Danger is an index of how much danger the mammal faces from other animals. 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