Portable collapsible vehicle roof mounted sleeping compartment

A portable collapsible sleeping compartment for mounting on the roof of a passenger type vehicle having rack means thereon, parallely spaced longitudinally telescopically extensible rail members removably attached to said rack means, telescopically extensible leg members removably pivoted to said rail members and downwardly dependable therefrom for supporting ground engagement, a main housing compartment comprising rigid front and side walls, open bottom and rear ends, and a flat cover hinged to said front wall, said compartment being mounted on and supported by said rails, a drawer-like section slidably extensible into and from said main compartment and including parallel spaced flat top and bottom walls movably interconnected at their sides by lazy tong type means having intersectingly pivoted arms pivoted at their opposing ends to said top and bottom walls, rear wall means pivoted to the rear of said bottom wall, flexible side curtains extending between said hinged cover and the side walls of said main housing and between the side edges of said top and bottom walls, and a rear curtain at the rear of said drawer-like section, whereby when said latter section is extended from said main housing and the top walls expanded vertically said hinged cover will be angularly elevated to provide a covered and protected sleeping compartment, with said drawer-like section thereof being supported by said rail members.