How much would you pay for a good night's sleep? I'm asking because a thing called sleep tourism is becoming a huge and huge money-making industry. A 2024 report by HTF Market Intelligence found that worldwide sleep tourism is worth more than 690 billion US dollars. Hotels offering sleep deals are all over the place and can feature specialized rooms with soundproofing, blackout curtains, pillows, calming mists and special menus designed to help sleep deprived guests. Dr Charlotte Gupta, who is a sleep & nutrition scientist at Central Queensland University.