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　　從??(cong)遺??(yi)傳??(chuan)與??(yu)生?(sheng)理??(li)基??(ji)礎(chǔ)??(chu)看??(kan)??，某??(mou)些?(xie)基??(ji)因??(yin)??，如??(ru)DEC2、CLOCK基??(ji)因?(yin)的??(de)突?(tu)變??(bian)??，可??(ke)能??(neng)導(dǎo)??(dao)致?(zhi)睡??(shui)眠??(mian)時(shí)?(shi)間??(jian)較??(jiao)短??(duan)或??(huo)睡??(shui)眠??(mian)周??(zhou)期??(qi)紊??(wen)亂??(luan)；大??(da)腦??(nao)內(nèi)??(nei)血??(xue)清??(qing)素??(su)、GABA等??(deng)神?(shen)經(jīng)??(jing)遞??(di)質(zhì)??(zhi)失??(shi)衡??(heng)??，也??(ye)會(huì)??(hui)影??(ying)響??(xiang)睡??(shui)眠??(mian)的??(de)啟?(qi)動(dòng)??(dong)和??(he)維??(wei)持??(chi)??。??　　何??(he)佳??(jia)：有??(you)依??(yi)據(jù)??(ju)??。?睡??(shui)眠??(mian)期??(qi)間??(jian)??，人??(ren)的??(de)大??(da)腦??(nao)并??(bing)非?(fei)處??(chu)于??(yu)“關(guān)??(guan)機(jī)??(ji)”狀??(zhuang)態(tài)?(tai)??，而??(er)是??(shi)通??(tong)過??(guo)復(fù)?(fu)雜??(za)精??(jing)細(xì)??(xi)的??(de)神??(shen)經(jīng)??(jing)活??(huo)動(dòng)??(dong)和??(he)生??(sheng)理??(li)機(jī)?(ji)制??(zhi)??，完?(wan)成??(cheng)記??(ji)憶??(yi)優(yōu)??(you)化??(hua)、情??(qing)緒??(xu)重??(zhong)置??(zhi)與??(yu)毒??(du)素??(su)清??(qing)理??(li)??。。