Howmuchsleepdoesapersonneed?Wearealldifferent.Somepeopl...
問題詳情：Howmuchsleepdoesapersonneed?Weareallpeopleneedonlythreehoursofsleepaday_61_othersneedtenhoursor_62_(suggest)amountofsleepis8hoursforpeopleaged18to21and7hoursforpeopleoverpeoplegetold,theyneedl...