If you're a man of simple needs who doesn't get scared easily by small spaces, this XY chromosome–only capsule hotel offers your standard berth plus a sauna, large bath, coin-laundry machines and free morning coffee – just a stone's throw from the main Susukino crossing. Check-in from 1pm; check-out by 10am.
There's a full explanation in English on its website on how to make the most of a capsule hotel.