Sleep states in the newborn: influence of sound.
D000162:Acoustics; D003448:Crying; D005221:Fatigue; D006309:Hearing; D006801:Humans; D007231:Infant, Newborn; D009622:Noise; D012890:Sleep; D012894:Sleep Stages; D012895:Sleep, REM; D013016:Sound; D013997:Time Factors; D014851:Wakefulness