Comedy films, I can definitely agree; horror films, well, being alone in the dark can certainly help the atmosphere.
However, horror comedy can get you in trouble if the crowd is expecting a straight horror; I had to keep suppressing laughter at the crazy climax of The Cabin in the Woods because the crowd apparently thought things like the killer unicorn were supposed to be taken completely seriously.
Comedy films, I can definitely agree; horror films, well, being alone in the dark can certainly help the atmosphere.
However, horror comedy can get you in trouble if the crowd is expecting a straight horror; I had to keep suppressing laughter at the crazy climax of The Cabin in the Woods because the crowd apparently thought things like the killer unicorn were supposed to be taken completely seriously.