Next time you book a hotel, consider asking for a room on a lower floor. Taking the stairs may be good for your health in more ways than one. There’s a growing body of evidence that using an elevator ...

The room looks perfect online. Plush bedding. Soft lighting. A promising view. Then the elevator dings at midnight. Suitcases roll past at 6 a.m. Doors click shut every few minutes. And suddenly, the ...