Sensory deprivation tank therapy may support relaxation, improve sleep, and decrease stress, anxiety, and pain. It may have other health benefits as well. Continue reading... A floatation tank is a lightless, soundless tank filled with highly concentrated Epsom salt water heated to skin temperature. Floatation, also known as sensory deprivation, is simply the act of relaxing in a floatation tank; with all sights and sounds removed, and drifting into a meditative state that rejuvenates your mind and body. This Tank has various names which includes; isolation tank, sensory deprivation tank, float tank, flotation tank, float pod and even a sensory attenuation tank. History: The flotation tank was first invented in 1954 by neuroscientist and psychologist John C Lilly to explore human consciousness. He wanted to experiment with sensory deprivation and discover what would happen if the brain was deprived of senses and all external stimulation. The first tank he invented involved wearing a d