My friend, while flipping through the infamous SkyMall catalog, found on all self-respecting airplanes, came across this gem of an invention (I'll let it speak for itself):
NEW! Cocoon yourself in revolutionary comfort.The poshAir sleeping bag is a breakthrough in inflight comfort. This luxurious cocoon, that's easy to slip on and off, zips you into an extra layer of lightweight warmth. The poshAir features a hood, armholes, inside pocket and two belt loops for your visibly fastened seat belt to slip through. Patent pending, the poshAir - 65% polyester and 35% cotton brush machine washable fleece - is a modern, hygienic sleeping accommodation for travel. Convenient, chic and confortable, the poshAir may be used in private jets, commercial airplanes, helicopters, yachts, automobiles and trains. Proper care of a poshAir entails a gentle cold water machine wash cycle. Please do not tumble dry. For a maximized poshAir experience, please remove your shoes before stepping into your poshAir. Grey only. Tote bag included.
Adult sizes: S (5'4" L x 3' W), M (5'8" L x 3'W), L (6' L x 3' W), XL (6'4" L x 3' W).
Adult tote bag: 14.5" W x 12" L.
Plus, doesn't the guy in the picture look kind of like William Shatner?