Seats that convert to sleeper bunks

DETAILED DESCRIPTION What is claimed is: 1.
Side-by-side vehicle seats arranged in front of other side-by-side seats to form a row with an isle on at least one side with seats facing primarily parallel to the isle, wherein the seats convert to bunk beds and wherein after conversion to bunk beds, the longest dimension of at least one of said bunk beds lies closer to perpendicular than parallel to said aisle, where said seats have a seat pad and a seat pad extension and during conversion to bunk beds said seat pad remains relatively fixed in its horizontal position while said seat pad extension moves into a position in plane with said seat pad and in front of said seat pad to form a bunk.
2.
A system of seats that convert to bunk beds comprising a first set of side-by-side seats facing in a first direction and situated behind and adjacent to a second set of side-by-side seats also facing in said first direction, said first seats comprising a seat pad and a seat back and structure to support said seat pad and said seat back, wherein after conversion to bunk beds the longest dimension of at least one of said bunk beds lies more ross-wise than parallel to said first direction, whereby a passenger when in a seated position faces in said first direction but when lying prone said same passenger lies more cross-wise than parallel to said first direction.
3.
The system of claim 2 further comprising vertically oriented dividers on both longer sides of a bunk bed to provide privacy for prone passengers from adjacent passengers on both sides.
4.
The system of claim 2 wherein said seats are mounted in an airliner, and wherein an aisle runs parallel to said first direction on at least one side of said seats, said first direction being parallel to the direction of travel.
5.
The system of claim 4 where there is an opening above said seats when said seats are not configured as bunk beds that extends low enough to provide enough cabin visibility parallel to the aisle that any passenger that stands up from his seat in an emergency can be observed by at least one seated flight attendant