The concept can be traced to Japanese capsule hotels, first developed around 1980, and appeal to travellers looking to nod off or work in private without having to pay for a traditional hotel room or leave the airport.
And the drugmaker has consistently warned that off-label use can be perilous, pointing to reports of serious infections and blindness traced to contamination in vials during repackaging, an issue that temporarily led the US Department of Veterans Affairs suspend use ( look here).