Childhood absence epilepsy

Childhood absence epilepsy (CAE), formerly known as pyknolepsy, is an idiopathic generalized epilepsy syndrome that begins in childhood, typically between the ages of 4 and 10, with a peak onset between 5 and 7 years. It is characterized by frequent absence seizures — brief episodes of impaired awareness that start and end suddenly, often accompanied by subtle automatisms such as eyelid fluttering or lip smacking.

Source: Wikipedia — Childhood absence epilepsy (CC BY-SA 4.0)