Just relax, Marty. You've been asleep for almost two hours.
5 seconds sound clip from the Back to the Future Part II movie soundboard.
You can hear this line at 00:46:23.164 in the Blu-ray version of the movie.
Quote context
[...]
- No! No!
- Hey, you're coming with us upstairs.
- Look, sonny, we can do this the easy way or the hard way.
- Just relax, Marty. You've been asleep for almost two hours.
- I had a horrible nightmare. It was terrible.
- Well, you're safe and sound now, back on the good old 27th floor.
- Mom? Mom, that can't be you.
[...]