At This Japan Hotel, a Night’s Stay Doubles as a Sleep Study

Hi, it’s Eru in Tokyo, where I recently discovered I might have sleep apnea after staying at a special capsule hotel. But before we get to that…

Welcome to Japan, where capsule hotels are budget-friendly alternatives to traditional accommodation. Loved by blue-collared workers, students, and tourists alike, one popular chain now comes with an additional perk: analyzing how well you sleep.