When it comes to medicine stick to your day job Yes most seizures are not life threatening but no most kids do not have them The post ictal state is not due to exhaustion but is a neurologic sequela of the seizure
However seizures can also be due to a head injury, a toxic ingestion, a brain tumor, meningitis, or lack of oxygen to the brain to name a few In that situation they are very much life threatening. A qualified medical professional needs to sort it out ASAP. In addition if the individual has several seizures in a row the condition is called status epilepticus and is very life threatening if not broken
Oooh. Big words. Now I’m impressed