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Sleep disorders are classified in dyssomnias, parasomnias, sleep disorder associated with medical and psychiatric disorders and proposed sleep disorders. Only the parasomnias have been studied as such in the newborn period. The parasomnias that occur in this age group are infant sleep apnea, congenital central hypoventilation syndrome, sudden infant death syndrome, and benign neonatal sleep myoclonus. Infant sleep apnea includes three entities: (1) apnea of prematurity, (2), apparent life threatening episodes with apnea and (3) obstructive sleep apnea. Congenital central hypoventilation syndrome can be associated with other autonomic system illness, such as Hirschsprung disease (Haddad syndrome) and neuroblastoma. The implementation of the supine sleep position and smoking free homes has diminished the frequency of sudden infant death syndrome. Benign neonatal sleep myoclonus should be considered in all newborns with a normal exam between the episodes when they always occur during sleep. This entity may be mistaken for status epilepticus, because it is associated with increases in heart rate. Benzodiazepines prolongs the duration of the episodes.