Typically measuring just 18 square feet, the stacked sleeping capsules are not much roomier than coffins though they do have TVs and wireless connections, and offer a cozy spot to curl up in for businessmen too tired or tipsy for the long commute home.

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The eponymous capsules look like the sleeping berths on a particularly traditional Japanese spaceship.

BBC: Capsule Ryokan Kyoto, where modern meets traditional