Answer: I dont know about the first one but i think the others are correct.
Explanation: I dont actuall understand the first one sooooo
Im sorry '_' :(
Answer:
Are you speaking about the actors or the audience? If you are talking about the actors- never! It would be highly irresponsible to fall asleep at your job. If you are talking about the audience- I suppose you can fall asleep whenever, but it would be disrespectful to the actors (unless you are watching the film version).
Answer: Making something longer than it should be, like prolonging the process.
Explanation: