A capsule hotel in Tokyo is collecting and analyzing ... above the heads of the prone guests. A sensor beneath the bed sheet detects body movements. The devices are designed to record sleeping ...

guests can recharge in small 'capsule' rooms. The hotel offers 87 capsules, including 78 male-only and nine women-only rooms.

The 31" x 31" beds would feature all the amenities of an airplane seat, but in a reclining bed. However, if you get cramped, a standard airplane seat isn't included in the ticket price.