熬夜的坏处英语演讲稿

　　熬夜的危害很大,我们要告别熬夜。下面是我为大家收集关于熬夜的坏处英语演讲稿，欢迎借鉴参考。

　　写熬夜坏处的英语演讲稿

　　Manypeoplewanttoask,whatisthebesttimeforsleep?Doweneedtosleepearlyorlate?Myopinionistosleepearly.Hereisthereasonwhyweshouldsleepearly.First,itwillmakeyoumorehealthy.Sleeplatewouldcauseillness,longtimenotsleepingearlywilldamageyourbody.Second,manypeoplehadsaidthatifyoudon'tgetmanytimetosleep,andyousleeplatewouldmakeblackrimoftheeye.Thatisnothealthyalso,andit'snotbeautiful.Weshouldgiveourbodyarest.Sleepisthebestway.Well,therearecertaintimethatisbestforustosleep.Sleepearlyisdefinitelybetterthansleeplate.Also,weshouldnotkeepawakethewholenight.Youdon'tfeelthedamagewhenyouareyoung,butwhenyougetolder,theproblemstarttoappear.Manydiseaseofheartandlungstartedfromnotsleepatnight.Manyyouththinkitisfuntokeepawakeorsleeplate.ButIdon'tthinkso.Keepyourbodyhealthy.Istronglysuggesttosleepearly.

　　熬夜的坏处英语演讲稿

　　Stayinguplatewillbedetrimentaltohumanhealth,becausetheadrenalcortexhormoneandgrowthhormoneareallsecretedduringthenightwhenpeoplearesleeping.Theformerissecretedbeforedawn,whichcanpromotethemetabolismofcarbohydrateinhumanbody,andprotectthedevelopmentofmuscle;whilethelatterisproducedonlyaftersleep,whichcannotonlypromotethegrowthanddevelopmentofyoungpeople,butalsocandelaytheagingprocessoftheelderly.Asaresult,stayinguplatewillcauseavarietyofharmstohumanbody.

　　First,frequentfatigueanddecreasedimmunity

　　Themostserioussequencecausedbystayinguplateisfatigueandlackofenergy.What'smore,theimmunityofhumanbodywilldecreaseaccordingly.Andsomeothersymptomssuchascold,gastrointestinalinfections,allergieswillalsoappear.

　　Second,headache

　　Thenextdayafterstayinguplate,youwillsufferfromheadachewhenyouareatworkoratclass.Youwillbeunabletoconcentrate.What'smore,long-termstayinguplateandinsomniawillalsobringinvisibledamagetoourmemory.

　　Third,darkcirclesandpuffiness

　　Nightisthetimeforhumanbodytohaveagoodrest.Withoutadequaterest,youwillfeelextremelytired,whichwillleadtopoorbloodcirculationaroundtheeyes,causingdarkcirclesorbloodstreakinthewhiteoftheeye.

　　Fourth,dryskin,darkspotsandacne

　　Theperiodbetween11:00pmto3:00aminthenextdayisthebeautytime,anditisalsothetimeforthemeridiansinhumanbodytomovetogallbladderandliver.Ifthesetwoorgansdonothaveadequaterest,itwillbereflectedontheskin.Sosomeproblemssuchasroughness,yellowishface,darkspotsandacnewillappear.What'sworse,long-termstayinguplatewillslowlycausesomeneurologicalandpsychiatricsymptomssuchasinsomnia,forgetfulness,irritability,anxietyandsoon.

　　Fifth,affectingfertility

　　Forthemenandwomenofchildbearingage,iftheyalwaysstayuplate,itwillnotonlyaffectthemotilityandquantityofmalesperm,butalsowillaffectthesecretionoffemalehormoneandthequalityofovum,anditisalsolikelytoinfluencethemenstrualcycle.

　　Sixth,increasingtheprobabilityofgettingsomechronicdiseases

　　Peoplewhostayingupallnightalwayshavehighersecretionofadrenalinethantheaverageperson,whichwillincreasethepressureonmetabolism,andthusleadingtosomechronicdiseases,suchashypertensionanddiabetes.

　　What'smore,therearealsootherharmscausedbystayinguplate,suchaspooreyesightordysfunctionoftheliver.Weshouldpayspecialattentiontothesebadeffects,andtrynottostayuplateatnight.

　　熬夜的坏处英语演讲稿范文

　　Doyoualwaysworkorstudyuntilmidnight?

　　Doyouoftenhangoutorspendmuchtimeinpubsatlatenight?

　　Ifyouansweredyestoeitherofthesequestions,youareunfortunatelyoneofthelargegroupsofpeoplewhoalwaysstayuplate.Becauseofthefiercecompetitioninthesociety,itseemsthateveryonehasendlessworktodoandtwenty-fourhoursperdayisnotenough.Therefore,anincreasingnumberofpeoplestayuplateinordertofinishthemountainouswork.Besides,lotsofyoungpeopleenjoyentertainingatlatenight.However,manyofthemarestillnotawareofthebadeffectsofstayinguplate.Infact,itdoessevereharmtousinthreeaspects,namelyphysicalhealth,workefficiencyandmentalstress.

　　Inthefirstplace,stayinguplatebadlyimpactsonourphysicalhealthcondition.Thehumanadrenalcortexhormoneandgrowthhormone,whicharevitalsubstancesforhumanbody,onlysecreteatnight.Theformersecretesbeforethedawnfacilitatingthecarbohydratemetabolismandprotectingthedevelopmentofmusclefunction.Thelatteronlysecretesaftersleeping.Itcanimprovethegrowthoftheyoungandslowdowntheagingoftheelderly.However,ifpeopleoftenstayuplate,thesecretionofthesetwosubstanceswillbegravelyimpacted.Finally,ourhealthconditionwillbedegraded.Itcancauseavarietyofharmstohumanbody.Normally,frequentstayinguplatewillleadtofatigueanddegradedimmunity.Peoplemayeasilygetsickwhentheweathergetsalittlebitcolderorhotter.Inaddition,itcanalsocauseheadache.Peoplemayfeelheavyinthebrainanddizzyforawholeday.Besides,thefertilityofbothmaleandfemalewillbeimpacted.Forwomen,itwillaffectthesecretionoffemalehormonesandthequalityofova.Italsotendstoaffectthemenstrualcycle.Formen,boththequalityandquantityofspermwillbeimpacted.Whatismore,stayinguplatecanalsodamagepeopleseyesight,skinandmemorycapacity,andcauseblackeyesaswell.

　　Furthermore,itnegativelyimpactsontheworkefficiency.Ontheonehand,owingtothediscomfortofyourhealthasmentionedabove,youmayfeeldistractedfromthework.Ontheotherhand,becauseofthedecreaseofthememorycapacity,yourworkefficiencywillbelower,whichmeansthatyoumaynotcompletethethingsasyouwant.Assumethatyouareauniversitystudentandyouplantoreviewforyourpsychologyexaminationnextweekaftertomorrowsclass.Nevertheless,youstayeduplateyesterdayforsomereason.Therefore,youprobablybelatefortomorrowsclassorevenskipit.Thus,youmustfindothertimetocompensateforit.Afterwards,whenpreparingyourexamination,youmayfeelheadacheandcannotconcentrateonit,thushavingdifficultymemorizingandunderstandingthepsychologicaltermsandprinciples.Therefore,yourscheduleforreviewingchapter2andchapter3willbechanged.Youcanonlyreviewchapter2andmaynotfinishchapter3.However,inordertofinishreviewingontime,youaremorethanlikelytostayuplateagain.Then,youwillbeintheviciouscycleandyourworkefficiencywillbelowerandlower.

　　Whatisalsonoticeableisthatstayinguplatecanbringaboutmentalstress.Sinceyourworkefficiencyislower,youprobablydoubtyourselfwhetheryouareacapablepersonornot.Youmaythinkyouarenotsosmartasothersandevenfearyourselfthatyoucanhardlygetagoodgradeinyourpsychologyexamination,whichmakesyoufeelmoreanxiousandupset.Besides,ifyoufrequentlystayuplate,youdefinitelylooktiredandinlowspirits.Therefore,whenworkingonagroupproject,maybenobodywantstobeinthesamegroupwithyou,alow-efficientandanxiousperson.Thus,youwillfeelseparatedfromothers,whichpossiblymakesyoumorestressedandupset.