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Internal Time: Chronotypes, Social Jet Lag, and Why You're So Tired

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By Till Roenneberg

Web edition: June 15, 2012
Print edition: June 30, 2012; Vol.181 #13 (p. 30)

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Depression, weight gain and sickness are just a few of the health risks when internal biological clocks fall out of sync with daily life, a chronobiologist warns.

Harvard Univ., 2012, 272 p., $26.95

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  • First learn what sleep is. Understand sleep…:

    From "universe-life"

    Why Life Eats And Why Life Sleeps:

    -Life ( and ALL other, inanimate, mass spin arrays ) eats because the universe expands. Mass formats gulp energy or are gulped by other mas formats which - ALL - gulp energy...)

    -Life sleeps because:

    Fruit fly biorhythms differ indoors and out
    Response to daily cues of real life suggest lab findings may need a second look.
    sciencenews

    Biorhythms Schmiorythms

    Circadian Schmircadian sleep origin?

    Life sleeps because RNAs genesized, evolved from inanimate nucleotides into self-replicating nucleotides, organisms, of course long before metabolism evolved. They were then active ONLY during sunlight hours. Thus sleep is inherent for RNAs, even though, being ORGANISMS, they later adapted to when/extent sleep times are feasible just as we adapt to jetlag or night work time.

    Dov Henis
    Dov Henis Dov Henis
    Jun. 19, 2012 at 9:31am
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