Ceaselesstechnology.Apunishingworkweek.Thatto–dolistthatkeepsmultiplying.Itisnowondermanyofusfinditdifficulttohaveasufficientamountofsleep.Butwillsleepingmoreontheweekendmakeupforhoursoflostsnoozing(小睡)?OnesleepexpertW.ChristopherWinterraisedthequestion.

Sleepingbinge

Gettingeighthoursofshut-eyeeachnightisgenerallyrecommendedbutmanypeopledon’t.AstheweekrollsfromMondaytoFridaytheyaccumulateasleepdebt.SpendingafewextrahoursinbedonaSaturdaymorningpeopleassumewillhelpthem“catchup”onlostsleep.They’relikelyright“Nobodyknowshowlongthehorizonisprobablyafewnightsbutstudiesshowthatrecoverysleepintheshorttermdoeswork”saysDr.WinteramemberoftheAmericanAcademyofSleepMedicine.

Sleepbanking

Recentdatasuggeststhatbankingsleepinadvanceofalongnightcanactuallyoffset(补偿)upcomingsleepdeprivation(丧失).Ifyouknewyouweregoingtohavetostayupallnightonaparticulardayforexampleyoucouldsleepfor10hoursadayformultipledaysbeforetheeventandbefineDr.Wintersays.Justplanahead.

Routine(惯例的)naps

Aschedulednapishealthierthancatchinguponorbankingsleep.“Becausesleepextensioncanmakeyoufeelgroggy(昏昏沉沉)Ialwaysrecommendashortnap[ifapersonfeelstheyneedit]atthesametimeeveryday”saysDr.Winter.Headdsthat25minutesisideal.“Whenyouscheduleashortnapyourbodyanticipatesitandslowsdownwithoutfallingintoadeepdreamsleep”hesays.Thatrefreshingscheduledbreakisbetterthananoccasionalweekendlie-in.“Thebodylikesroutine”hesays“Whenit’sprepareditworksmoreefficiently.”

【小题1】FromMondaytoFridaymanypeople_________.

A．accumulateasleepdebtB．havenotimetosleepC．workhardtoachievetheirgoalsD．havetostayupallnights【小题2】Researchshowsthatintheshortterm________.A．anaphavenoeffectonworkB．anaphaveeffectonworkC．recoverysleepdoesworkD．recoverysleepdoesn’twork【小题3】IfasoccerfanwantstostayupallnighttowatchtwoWorldC