A.對入睡時(shí)間估計(jì)過短,對實(shí)際睡眠時(shí)間估計(jì)過短。B.對入睡時(shí)間估計(jì)過長,而對實(shí)際睡眠時(shí)間估計(jì)過短。C.對入睡時(shí)間估計(jì)過長,對實(shí)際睡眠時(shí)間估計(jì)過長。D.對入睡時(shí)間估計(jì)過短,而對實(shí)際睡眠時(shí)間估計(jì)過長。
A.2種B.3種C.4種D.5種
A.新生兒B.兒童C.成年人D.老年人