Catsarecreaturesofhabit.Theyliketogotosleepaboutthesame...
問題詳情:Catsarecreaturesofhabit.Theyliketogotosleepaboutthesametimeeverydayandforacertainlengthoftime.Theyseemtohaveanaturalclockinsidethemthattellsthemwhentosleep.Catsincreasetheirregularsleepwithocc...