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MICHEL SIFFRE S
In 1962, a French geologist descended into a dark underground cave, but when he emerged more than two months later, he had lost track of time and helped reveal the human body's internal clockMichel Siffre's 1960s cave experiment revealed a hidden internal clock within humans. Isolated from all external time cues, his own sense o...- Man lives like a 'timeless' caveman for experiment, discovers bizarre secret about the human mindIn 1962, French geologist Michel Siffre lived 130 meters below a glacier for over two months to study the human body’s internal clock. Isol...
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