Sleep, sleeplessness, and sleep disruptions in infants and young children.
D002940:Circadian Rhythm; D003243:Consciousness / Q000502:physiology; D004644:Emotions / Q000502:physiology; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D012890:Sleep / Q000502:physiology*; D012894:Sleep Stages / Q000502:physiology; D012893:Sleep Wake Disorders / Q000209:etiology / Q000503:physiopathology* / Q000523:psychology