Naan Sigappu Manithan (2014) Tamil

Indran suffers from narcolepsy, a sleep disorder that makes him fall asleep at the slightest excitement. He meets Meera and they fall in love but one night, they are attacked by unknown persons. Indran panics and goes into sleep, while Meera is raped. Indran must rely hard on his wits to find the assailants and overcome his condition get his revenge.