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DidyousleepthedayawayonMarch21?Well,youshouldhavedonethatbecauseitwasWorldSleepingDay.Thisistheonedayoftheyearwhenpeoplearoundtheworldcareabouttheirsleepandaskthemselvesalotofquestionsaboutsleep.
Whydoweneedsleep?Nobodyasyetcangiveacorrectanswertothisquestion.However,testshaveshownthatlackofsleepoveraboutfourweeksleadstoastrongdropinbodytemperature,greatweightlossandfinallysickness.
Differentpeopleneeddifferentamountsofsleep.Eighthoursanightisconsideredtheaverageamountofsleep.Forteenagerstheleastnumberofsleepinghoursadvisedbydoctorsaretenhoursforprimaryschoolstudents,nineforjuniorhighsandeightforseniorhighs.
Somepeopleseemtogetalongjustfinewithverylittlesleepatnight.LeadingAmericanscientistThomasEdisonsaidthatsleepwasawasteoftime.Hedid,however,takenapsduringtheday.Ontheotherhand,AlbertEinstein,anothergreatscientist,saidheneededatleasttenhours’sleepanight.
Herearesomeofthemostusefulsuggestions,foragoodnight’ssleep.
Gotobedregularly.Useyourbedonlytosleep.Don’texerciseintheevening.Keepthebedroomdarkandquiet.Drinkaglassofmilkbeforesleep.
【1】Lackingofsleepoverfourweeksleadstomanyproblems,except______.
A.dropinbodytemperature B.greatweightloss
C.sickness D.memoryloss
【2】Forprimaryschoolstudents,____hours’sleepistheleast.
A.Eight B.Nine C.Ten D.Eleven
【3】 _____onlytooknapsduringtheday,while____needed tenhours’sleep.
A.AlbertEinstein;ThomasJefferson
B.ThomasEdison,AlbertEinstein
C.AlbertEinstein,ThomasEdison
D.ThomasJefferson,AlbertEinstein
【4】WhichisNOTausefulsuggestionforagoodnight’ssleep?
A.Keepthebedroomdarkandquiet
B.Drinkaglassofmilkbeforesleep
C.Doexerciseintheevening
D.Gotobedregularly
【5】Whichisthebesttitleofthispassage?
A.SomethingAboutSleep B.WorldSleepingDay
C.AGoodSleep D.AmountofSleep