Maybe this technique could benefit Contesters?

[Jim Reisert AD1C 18-Dec-1992 0937]

    [Business Week, December 14, 1992]

    For year, scientists at the Laboratory for Circadian & Sleep Disorders
    Medicine of Harvard University Medical School have been studying the
    effects of light on the human biological clock. the research shows that 
    when normal sleep routines are disrupted, the body's clock can go
    haywire, leaving factory workers and other swing-shift workers prone to 
    poor performance and accidents. Both the Three Mile Island and
    Chernobyl accidents, for example, occurred on the graveyard shift. Lab
    director Charles Czeisler and the university have patented a way to
    reset the body's clock forward or backward quickly, using precisely
    controlled exposure to bright lights. To help power plant workers
    adjust to night duty, for instance, Light Sciences Inc., in Braintree
    Mass., which is commercializing the technology, installs a computer
    controlled lighting system in the plant's control room. the technique
    is also helping prepare NASA's shuttle astronauts.

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