Awakenings

Dr. Sayer is a pioneering neurologist who wants to take a risk and give his patients who suffer from encephalitis a drug used for Parkinson's Disease. He tries it out on one man who miraculously wakes from his perpetual catatonic state.

Awakenings is a 1991 drama biography movie directed by Penny Marshall, starring Robert De Niro, Robin Williams, Julie Kavner. It holds an IMDb rating of 7.8/10 from 177,279 votes and runs 2h 1m.