![Catsarecreaturesofhabit.Theyliketogotosleepaboutthesame...]( "Catsarecreaturesofhabit.Theyliketogotosleepaboutthesame...")
- 问题详情：Catsarecreaturesofhabit.Theyliketogotosleepaboutthesametimeeverydayandforacertainlengthoftime.Theyseemtohaveanaturalclockinsidethemthattellsthemwhentosleep.Catsincreasetheirregularsleepwithoccasional（偶尔的）catnaps（打盹）.Someexpertsfeelthathumans...
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