“Bring yourself back to your awareness,” said Sara Auster, a self-proclaimed sound healer, after 45 minutes in a ballroom at a hotel in Chicago where she created vibrations using crystal bowls and tuning forks as well as a traditional Indian accordion, known as a shruti box. Seventy-five people got up like a gaggle of toddlers being shaken from a nap.

The latest in rental and condo amenities include streaming fitness devices and meditation rooms.

Every night, a stranger’s voice in my phone soothes me to sleep. I wanted to hear her in person.

If you’ve ever taken a yoga class in the United States, the chances are you were influenced by Ms. Ezraty’s techniques.

Salons and spas have begun pairing guided meditation with nail treatments.