Benign neonatal sleep myoclonus: frequently misdiagnosed as neonatal seizures.

18 neonates aged 5-60 days with Benign neonatal sleep myoclonus were identified. Fifteen neonates had been misdiagnosed as neonatal seizures before referral. All treatments were withdrawn once the diagnosis of benign neonatal sleep myoclonus was made. Benign neonatal sleep myoclonus should be considered early in the differential diagnosis of neonatal seizures.