When I invited my friend Sarah to join me in trying sensory deprivation tanks, as invented in 1954 by a so-called “consciousness researcher” named John C. Lilly, I saw a flash of understanding on her ...

The idea of floating in a sensory deprivation tank has always appealed to me. I am a huge fan of fancy spa sessions and most things woo-woo and floating. So any service that invites you to submerge ...

An hour of darkness, silence, and floating changed how I think about stillness When I invited my friend Sarah to join me in trying sensory deprivation tanks, as invented in 1954 by a so-called ...

If you visit a flotation therapy center, you’ll put in earplugs and step into a rounded, podlike tub big enough for a tall person to lie back and stretch out. Depending on the center’s policies, you ...

Flotation therapy — which involves floating in a tank of warm, salt-saturated water — is a popular and often expensive form of relaxation. Now, a small but growing body of research suggests it may ...