此资料由网络收集而来，如有侵权请告知上传者立即删除。资料共分享，我们负责传递知识。TED英语演讲稿：我们为什么要睡觉简介：一生中，我们有三分之一的时间都在睡眠中度过。关于睡眠，你又了解多少?睡眠专家RussellFoster为我们解答为什么要睡觉，以及睡眠对健康的影响。WhatI'dliketodotodayistalkaboutoneofmyfavoritesubjects,andthatistheneuroscienceofsleep.Now,thereisasound--(Alarmclock)--aah,itworked--asoundthatisdesperately,desperatelyfamiliartomostofus,andofcourseit'sthesoundofthealarmclock.Andwhatthattrulyghastly,awfulsounddoesisstopthesinglemostimportantbehavioralexperiencethatwehave,andthat'ssleep.Ifyou'reanaveragesortofperson,36percentofyourlifewillbespentasleep,whichmeansthatifyouliveto90,then32yearswillhavebeenspententirelyasleep.Nowwhatthat32yearsistellingusisthatsleepatsomelevelisimportant.Andyet,formostofus,wedon'tgivesleepasecondthought.Wethrowitaway.Wereallyjustdon'tthinkaboutsleep.AndsowhatI'dliketodotodayischangeyourviews,changeyourideasandyourthoughtsaboutsleep.AndthejourneythatIwanttotakeyouon,weneedtostartbygoingbackintime."Enjoythehoney-heavydewofslumber."Anyideaswhosaidthat?Shakespeare'sJuliusCaesar.Yes,letmegiveyouafewmorequotes."Osleep,Ogentlesleep,nature'ssoftnurse,howhaveIfrightedthee?"Shakespeareagain,from--Iwon'tsayit--theScottishplay.[Correction:HenryIV,Part2](Laughter)Fromthesametime:"Sleepisthegoldenchainthattieshealthandourbodiestogether."Extremelyprophetic,byThomasDekker,anotherElizabethandramatist.此资料由网络收集而来，如有侵权请告知上传者立即删除。资料共分享，我们负责传递知识。Butifwejumpforward400years,thetoneaboutsleepchangessomewhat.ThisisfromThomasEdison,fromthebeginningofthe20thcentury."Sleepisacriminalwasteoftimeandaheritagefromourcavedays."Bang.(Laughter)Andifwealsojumpintothe1980s,someofyoumayrememberthatMargaretThatcherwasreportedtohavesaid,"Sleepisforwimps."Andofcoursetheinfamous--whatwashisname?--theinfamousGordonGekkofrom"WallStreet"said,"Moneyneversleeps."Whatdowedointhe20thcenturyaboutsleep?Well,ofcourse,weuseThomasEdison'slightbulbtoinvadethenight,andweoccupiedthedark,andintheprocessofthisoccupation,we'vetreatedsleepasanillness,almost.We'vetreateditasanenemy.Atmostnow,Isuppose,wetoleratetheneedforsleep,andatworstperhapsmanyofusthinkofsleepasanillnessthatneedssomesortofacure.Andourignoranceaboutsleepisreallyquiteprofound.Whyisit?Whydoweabandonsleepinourthoughts?Well,it'sbecauseyoudon'tdoanythingmuchwhileyou'reasleep,itseems.Youdon'teat.Youdon'tdrink.Andyoudon'thavesex.Well,mostofusanyway.Andsothereforeit's--Sorry.It'sacompletewasteoftime,right?Wrong.Actually,sleepisanincrediblyimportantpartofourbiology,andneuroscientistsarebeginningtoexplainwhyit'ssoveryimportant.Solet'smovetothebrain.Now,herewehaveabrain.Thisisdonatedbyasocialscientist,andtheysaidtheydidn'tknowwhatitwas,orindeedhowtouseit,so--(Laughter)Sorry.SoIborrowedit.Idon'tthinktheynoticed.Okay.(Laughter)此资料由网络收集而来，如有侵权请告知上传者立即删除。资料共分享，我们负责传递知识。ThepointI'mtryingtomakeisthatwhenyou'reasleep,thisthingdoesn'tshutdown.Infact,someareasofthebrainareactuallymoreactiveduringthesleepstatethanduringthewakestate.Theotherthingthat'sreallyimportantaboutsleepisthatitdoesn'tarisefromasinglestructurewithinthebrain,butistosomeextentanetworkprop...
