This is where everyone is sleeping:

Lower Wilson
Back-Left Bedroom
Butter, GStan, KGB, Randy Watson, Sizetenshoeski

Front-Left Bedroom
DoubleD, Hammer, RealStan, Sleepy

Back-Right Bedroom
Winthorp, Monte, Whitey, Christian, Don Corleone

Front-Right Bedroom
Hibner, Dages, Kweder, Gleue

Couches
JT, Bartlett

Upper Wilson
Back
Quack, Walt, Chef

Front
Bro, Melick, DoubleG

Shaffer Cabin
Grundo, Gus, Spraguer, Sheik, Cane, Grandpa, Uncle Mark
(This cabin can sleep up to 16, so others can crash there if needed)

Don't sleep too much. You'll miss alot.