data(vervet.sleeping.groups)dateIA B C D EIIA B C DIIIA B C DIVA B C D E FVA B C D FVIA B C D EVIIA B C D EVIIIA B C D EIXA B C D EXA B C D E F GXIA B C D EXIIA B C D EXIIIA B C D E FXIVA B C D E FXVA B C D E FXVIA B C D EXVIIA B C D E