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原標(biāo)題：日本中文一二区有码在线

　　首??(shou)先??(xian)從??(cong)時(shí)??(shi)間?(jian)長??(chang)度??(du)上??(shang)來??(lai)說??(shuo)??，不??(bu)同??(tong)年?(nian)齡??(ling)段??(duan)人??(ren)群??(qun)每??(mei)天??(tian)對??(dui)睡??(shui)眠??(mian)時(shí)?(shi)長??(chang)的?(de)需??(xu)求??(qiu)不??(bu)同??(tong)：　　良??(liang)好??(hao)的??(de)睡??(shui)眠??(mian)質(zhì)??(zhi)量??(liang)通??(tong)常??(chang)表??(biao)現(xiàn)??(xian)為??(wei)：入??(ru)睡??(shui)時(shí)??(shi)間??(jian)在??(zai)30分??(fen)鐘?(zhong)以??(yi)內(nèi)??(nei)(6歲??(sui)以??(yi)下??(xia)兒??(er)童?(tong)在??(zai)20分??(fen)鐘??(zhong)以??(yi)內(nèi)??(nei))；夜??(ye)間??(jian)醒??(xing)來??(lai)的??(de)次??(ci)數(shù)??(shu)不??(bu)超??(chao)過??(guo)3次??(ci)??，而??(er)且??(qie)醒??(xing)來??(lai)后??(hou)能??(neng)在??(zai)20分??(fen)鐘??(zhong)內(nèi)??(nei)再??(zai)次??(ci)入??(ru)睡??(shui)；一??(yi)覺??(jiao)睡??(shui)醒??(xing)后??(hou)??，感??(gan)到??(dao)精??(jing)神??(shen)飽??(bao)滿??(man)、心?(xin)情??(qing)愉??(yu)悅??(yue)、精??(jing)力??(li)充?(chong)沛??(pei)、注?(zhu)意??(yi)力??(li)集??(ji)中??(zhong)??。??。