Whytosleep?

　　Almosteveryoneafterabusyday,tosleepsleep.Ofcoursetherearelivingalifepeopledonotsleep,butitisveryfew.Peopleneedtosleepisaphysiologicalreaction,isapartofthebrainneuralactivity,nervecellsinthecerebralcortexaftercontinuedexcitedproducedinhibitionresults.Whentheinhibitionisdominantinthecerebralcortex,peoplewillgotobed.Peopleinlife,work,rest,inneuralactivity,thereisexcitement,inhibition.Inhibitiontoprotectnervecells,sothatitreexcited,letpeoplecontinuetowork

　　Ayawnisareminderofthefirstsignofourlackofsleep.Ifthereisnosleepfor18hours,thereactiontimeofhumanitywillbechangedfrom0.25secto0.5secandcontinuetogrow.Whiletheordinarypeoplewillbegintoexperiencetheparoxysmalsleeping,nomatterinanyplace,lastsabout2to20seconds,thenyou'llfindouttheneedtorereadjustreadsomething.Youreyelidsaregettingheavier,to20hours,youwillbegintodoze.Andaccordingtothestudy,whenthereactionrateofnormalpeoplearebasicallyequivalenttothecontentofalcoholintheblood--ifkeepingthenumericaldrivingfor0.08people,youwillbedetainedinmanycountries.Youwillforgetalotofthings,suchasthetwocheckthespellingofthenamesorparkingonahillsetbrake.

　　Intheanimalkingdom,sleepisasimportantasthefood,waterandsexualevent.FromDrosophilatomodernpeople,everyoneisso.Butthescientistsdon'tknowexactlywhatistosleep.Inordertomakethebodyagain?Incomplete.Peopleallknow,muscledoesnotneedtosleep,onlytointermittentlyrelax.Inordertomakethebrainawake?Close.Goodsleepwillbenefitthebrain.Butforhowthebrainbenefitfromsleep,scholarsatpresentthereisnounifiedopinion.

　　Onetheoryisthatsleephelpstomakealltheinformationthebraintosavehumanbeingsacceptduringwakefulness.Anotherviewist.Anotherviewisthatsleepisfortherecoveryofenergy.Therearesomepeopleproposedsleepoftenusesomeformofmysterytohelpustomastervariousskills.Butwhatissleep?

　　Twothingshappenedinthelastcentury90timemetaphase,thefocuswillbeontheessenceofobjectiveworkbacktosleep.IsraelWeizmannAcademyofSciencesin1994proposedtheresearchscholarsshouldfocusonafalsememoryprocessingproblems,andpeepsleepstateofthebrainscienceandtechnologywasgreatlyimproved.

　　ScientistsWeizmannAcademyofSciencesfoundthatpeoplegettheREMsleepquantityisdirectlyrelatedtotheirabilitytoidentifythefixedpatternonacomputerscreen.Thistechniqueisc.Thistechniqueiscalledproceduralmemory,needtorepeattheoperationandpractice.Andrememberfacts,suchasthememoryofthepresidentsoftheUnitedStatesisdeclarativememory-anindependentabilityandrapideyemovementsleep.NeuroscientistRobertoftheHarvardUniversitySchoolofmedicine.SiddiqGodesaid:"onthememory,ourunderstandingisalwaysverynaive."

　　Accidentaldiscovery

　　Butsome,scientistssuddenlyclearmemoryresearchdirection.Inthepastfewyears,SiddiqGodeandhiscolleagueMatthew.TheinfluenceofWalkertogetherintheBostonMedicalCenterofBethsleepformotorskillsprogrammemory.Theymakeuseoftherighthandofthetraineesuselefthandagainandagainassoonaspossibletoplayastringofnumbers.Theyfoundthat,regardlessoftheexperimentisatwhattimeoftheday,thetraineeswill