Darkness retreats involve spending a period of time in complete isolation and darkness. People do this for different reasons – to achieve an introspective state, a digital detox, a period of rest, or a spiritual experience. Participants in these retreats stay in rooms equipped with beds, toilets, and showers, which can be tricky to use…
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Floatation tanks (otherwise known as sensory deprivation tanks or isolation tanks) are pitch black, soundproof tanks filled with salt water at skin temperature. Effectively, they allow you to float without sensory input. They are used for all sorts of reasons. Athletes use them in order to benefit their training and facilitate recovery from injuries. Meanwhile,…
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The sensory deprivation tank (also known as an isolation tank or a floatation tank) was invented in 1954 by John C. Lilly. Lilly (1915-2001), as well as being interested in the effects of sensory deprivation on consciousness, was also interested in dolphin communication and psychedelic drugs. When studying neurophysiology at the National Institute of Mental…
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