tube8欧美巨大xxxx

　　首?(shou)先??(xian)從?(cong)時??(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??(shi)長??(chang)的??(de)需??(xu)求??(qiu)不??(bu)同??(tong)：　　睡??(shui)眠??(mian)是??(shi)一??(yi)個??(ge)很??(hen)復(fù)??(fu)雜??(za)的??(de)生??(sheng)理??(li)過??(guo)程??(cheng)??，我??(wo)們??(men)每??(mei)天??(tian)都??(dou)要??(yao)經(jīng)??(jing)歷?(li)??，很??(hen)多??(duo)基??(ji)于??(yu)自?(zi)己??(ji)認??(ren)知??(zhi)和??(he)感??(gan)受??(shou)的??(de)睡??(shui)眠??(mian)經(jīng)??(jing)驗??(yan)有?(you)可??(ke)能??(neng)都??(dou)是?(shi)錯??(cuo)誤??(wu)的??(de)?。??GKBMJNDNJCqibao666888　　shou ?(shou)xian ??(xian)cong ?(cong)shi ??(shi)jian ??(jian)chang ??(chang)du ??(du)shang ??(shang)lai ??(lai)shuo ?(shuo)?，bu ??(bu)tong ??(tong)nian ??(nian)ling ??(ling)duan ??(duan)ren ??(ren)qun ??(qun)mei ??(mei)tian ??(tian)dui ??(dui)shui ??(shui)mian ??(mian)shi ??(shi)chang ??(chang)de ??(de)xu ??(xu)qiu ??(qiu)bu ??(bu)tong ??(tong)：　　shui ??(shui)mian ??(mian)shi ??(shi)yi ??(yi)ge ??(ge)hen ??(hen)fu ??(fu)za ??(za)de ??(de)sheng ??(sheng)li ??(li)guo ??(guo)cheng ??(cheng)??，wo ??(wo)men ??(men)mei ??(mei)tian ??(tian)dou ??(dou)yao ??(yao)jing ??(jing)li ?(li)??，hen ??(hen)duo ??(duo)ji ??(ji)yu ??(yu)zi ?(zi)ji ??(ji)ren ??(ren)zhi ??(zhi)he ??(he)gan ??(gan)shou ??(shou)de ??(de)shui ??(shui)mian ??(mian)jing ??(jing)yan ??(yan)you ?(you)ke ??(ke)neng ??(neng)dou ??(dou)shi ?(shi)cuo ??(cuo)wu ??(wu)de ??(de)?。??