A therapeutic device that provides light therapy in a sauna bed that has a hood that fits over the head of a person lying in a sauna bed. The hood has interior lights providing selected light intensity that simulates outdoor light at mid day and which directs and scatters the light in a manner substantially...http://www.google.com.au/patents/US5645578?utm_source=gb-gplus-sharePatent US5645578 - Total therapy sauna bed system
