I wonder whats the longest dream you've had? Im not reffering to time in hours, but how long it has felt to you? I remember that Laberge mentions having spent what felt like 100 years in a dream. That seems slightly outrageous, as if it was that long he would probably come out a changed person and possibly be confused, angry and even harbour resentment.
Also curious if you have any techniques to extend your dreams length? Personally my longest dream seemed to go on for about a week, non-ld, it was trying desperatly to escape a horde of aliens (the giger ones) for about a week, scary experience.