资源描述:
《Healthy Sleep英语议论文》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、任晓雪英语122班1210010210HealthySleepInpeople'slife,onethirdofthetimeisspentinsleep.Withoutnormalsleep,wecannotsustainotherlifeactivities.Sleepcanrefreshourmindsandimprovememoryability.Ensuringadequatesleeptimeandsleepingefficientlyisvitalforlearningandworking.Wesleepeveryday,butrar
2、elythinkdeeplyaboutit.Sleepcanbedividedintotwoperiods:rapid-eye-movementsleep(REMsleep)andnon-rapideyemovementsleep(non-remsleep).Theformercanprotectthebrain,relieveemotionsandrestoreenergy,whilethelattercaneliminatefatigue,restorephysicalstrength,enhanceimmunity,recoverybodyc
3、apacityandpromotegrowthanddevelopment.Whatsleepcanbringus?Perhapstheanswerisnotveryclear.However,ifweputthisquestioninturn,whatifwedonotsleepwell,thentheanswercanbesurprisinglyobvious,ormaybenotobviousbutsurprising.Today,peoplearefacedwithavarietyofpressuresinlife.Studentsmust
4、completetheirstudies;workershavetocompletetheirwork,sosometimespeoplehavetostayuplate.Allthesecantakeupsleeptime.Theresultsdoharmtoourhealthseverelyandmayeventhreatthesafetyofothers.任晓雪英语122班1210010210Studiesshowthatlackofsleepcandamageourattention,alertness,concentrationofmin
5、d,reasoningandproblem-solvingabilities,whicheasilyleadtoinjuriesandaccidents.Furthermore,sleepdebtcanincreasetheriskofmanydiseases.Forinstance,amonginsomniacs,themorbidityofheartdisease,hypertension,stroke,diabetesandetc.ishigherthannormalpeople.Inaddition,lackofsleepandsleepd
6、isorderscanalsoleadtodepression,cutislaxa(theskinrelaxation)andpachulosis(roughskin).Interestingly,lackofsleepcanenhancepeople'ssenseofhunger.Datashowthatpeoplesleeplessthanfivehoursadayaremorecloselyrelatedwithobesityeventheriskofdeath.AndbothAmericanandChineseofficialdatasho
7、wthatfatiguedrivingcausedbysleepdeprivationhasbeenaglobalroadsafetyproblem.Unfortunately,thefactisdifferentwithalotofpeople'smisunderstandingthatafewhoursofsleepafterstayinguplatecannotmakeupactually.Inmanycases,sleepdeprivationiscausedbyoursubjectivewills.However,therearemany
8、objectivelypathologicalchangescanmakeussleeplessorpersistents