Adult-sized meditation wombs gain popularity by Ben Geier @FortuneMagazine March 3, 2015, 4:09 PM EDT E-mail Tweet Facebook Google Plus Linkedin Share icons When it come to perfect stillness, nothing beats a womb, apparently. Meditation wombs, also called sensory deprivation tanks, are the latest addition to the increasingly popular practice of meditation. According to Mashable: Already popular on the West Coast of the United States — no surprise there — businesses dedicated to the water pods are now making their ways to the eastern coasts of the U.S. and Canada. With its long list of health benefits, East Coasters might say it’s about time. Float therapy has been linked to increased creative performance and decreased depression and anxiety. And the heavy salt concentration aids muscle pain by reducing blood lactate levels. How long is it before sensory deprivation tanks are the newest must-have perk for tech startups?