The Sleep Box, coming to an airport near you, well, maybe. For now they’re just at the Aeroexpress terminal of Sheremetyevo International Airport, Moscow, Russia . The Sleep Box, a place for weary travelers to take refuge, recharge their cell phones, power up their laptops, watch tv, or just wanting a secure environment as they wait for their next flight. They can be rented for several hours or for 30 minutes. There’s even a drink dispenser and the beds change themselves.