A.年齡越小睡眠的時(shí)間和次數(shù)越多 B.年齡越小睡眠的時(shí)間和次數(shù)越少 C.年齡增長(zhǎng)睡眠的時(shí)間和次數(shù)越多 D.年齡增長(zhǎng)睡眠的時(shí)間和次數(shù)相對(duì)越多