This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
Most common clinical presentation of juvenile myoclonic epilepsy - 
Select and explain. 
A. Generalised tonic clonic seziures in sleep, B. Generalised tonic clonic seizures in awake state, C. Myoclonus, D. Absence seizures
C: Myoclonus
Answer: C: Myoclonus 
Explanation: None