http://www.latimes.com/health/la-he-floating-therapy-20160305-story.html
https://www.vogue.com/article/sensory-deprivation-tanks-float-spa
Videos about float therapy
https://www.smooth.com.au/life/5-things-you-didnt-know-about-float-therapy
http://www.wcnc.com/news/health/local-spas-floatation-therapy-gains-popularity_/490320453