Dear Sir , My Friend Drank Liquid Allout About Aw

dear sir , my friend drank liquid allout about aw couple of months ago.after that he had no done nothing. but according to him after hi drank it he sleeps all tn time weather its day or night. so dr its so difficult he cannot study because the time hi wants to study he feel sleepy and sleeps. so dr plz tel a solution for it that how to reduce his sleep