The most common hereditary idiopathic generalized epilepsy syndrome and is characterized by myoclonic jerks of the upper limbs on awakening, generalized tonic-clonic seizures manifesting during adolescence and triggered by sleep deprivation, alcohol intake, and cognitive activities, and typical absence seizures (30% of cases). The disease is juvenile myoclonic epilepsy (MONDO_0009696). Also known as: EJM, JME, epilepsy, myoclonic juvenile, juvenile myoclonus epilepsy, myoclonic epilepsy, juvenile, myoclonic epilepsy, juvenile, 1.