Benign familial neonatal seizures (BFNS) is a rare epilepsy of the newborn characterized by partial or generalized seizures, which occur during wakefulness and/or sleep. Seizures typically start in the first days of life and remit spontaneously by approximately 4 months of age. The disease is Orphanet_1949 (Benign familial neonatal seizures). Also known as: Benign familial neonatal convulsions, Benign familial neonatal epilepsy.