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　　3月??(yue)21日??(ri)??，是??(shi)世?(shi)界??(jie)睡??(shui)眠??(mian)日??(ri)??，今?(jin)年??(nian)中??(zhong)國??(guo)睡??(shui)眠??(mian)日??(ri)的?(de)主?(zhu)題??(ti)是??(shi)“睡??(shui)眠??(mian)健??(jian)康?(kang) 優(yōu)?(you)先??(xian)之??(zhi)選??(xuan)”??。??　　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??(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)??。??。