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　　睡??(shui)前??(qian)4小??(xiao)時(shí)??(shi)避??(bi)免?(mian)過??(guo)量??(liang)飲??(yin)酒??(jiu)??。??睡??(shui)前??(qian)6小??(xiao)時(shí)??(shi)避??(bi)免?(mian)攝??(she)入??(ru)咖??(ka)啡??(fei)因??(yin)??，包??(bao)括??(kuo)咖??(ka)啡??(fei)、茶?(cha)葉??(ye)、部??(bu)分??(fen)蘇??(su)打??(da)水??(shui)、巧??(qiao)克??(ke)力??(li)等??(deng)???！　≌{(diào)??(tiao)查??(zha)數(shù)??(shu)據(jù)??(ju)顯??(xian)示??(shi)??，有??(you)1/4的??(de)人??(ren)睡??(shui)眠?(mian)不??(bu)足??(zu)6小??(xiao)時(shí)??(shi)??，零??(ling)點(diǎn)??(dian)后??(hou)入??(ru)睡??(shui)的??(de)人?(ren)群??(qun)已??(yi)超?(chao)半??(ban)數(shù)??(shu)??，近??(jin)四?(si)成??(cheng)人??(ren)群??(qun)存??(cun)在?(zai)夜??(ye)間??(jian)易??(yi)醒?(xing)問??(wen)題??(ti)??，有??(you)65%的??(de)人??(ren)每??(mei)周??(zhou)出??(chu)現(xiàn)??(xian)1—2次??(ci)睡??(shui)眠??(mian)困??(kun)擾??(rao)??。??調(diào)??(tiao)查??(zha)顯??(xian)示??(shi)??，“00后??(hou)”的??(de)大??(da)學(xué)??(xue)生??(sheng)群??(qun)體??(ti)晚??(wan)睡??(shui)晚??(wan)起??(qi)成??(cheng)常?(chang)態(tài)??(tai)??，僅??(jin)有??(you)2成??(cheng)左??(zuo)右??(you)的??(de)大??(da)學(xué)??(xue)生??(sheng)零??(ling)點(diǎn)??(dian)前?(qian)入??(ru)睡??(shui)??，1/4的??(de)大??(da)學(xué)??(xue)生??(sheng)凌??(ling)晨??(chen)2點(diǎn)?(dian)后??(hou)才??(cai)入??(ru)睡??(shui)??。。