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  2. Bunker experiment - Wikipedia

    en.wikipedia.org/wiki/Bunker_experiment

    The bunker experiment was a scientific experiment that began in 1966 to test whether humans, like other species, have an intrinsic circadian clock. [1] It was started by Jürgen Aschoff and Rütger Wever of the Max Planck Institute for Behavioral Physiology and later taken over by Jürgen Zulley.

  3. Nathaniel Kleitman - Wikipedia

    en.wikipedia.org/wiki/Nathaniel_Kleitman

    Nathaniel Kleitman (April 26, 1895 – August 13, 1999) [1] [2] was an American physiologist and sleep researcher who served as Professor Emeritus in Physiology at the University of Chicago. He is recognized as the father of modern sleep research, and is the author of the seminal 1939 book Sleep and Wakefulness.

  4. Sleeping Beauty problem - Wikipedia

    en.wikipedia.org/wiki/Sleeping_Beauty_problem

    The Sleeping Beauty problem, also known as the Sleeping Beauty paradox, [1] is a puzzle in decision theory in which an ideally rational epistemic agent is told she will be awoken from sleep either once or twice according to the toss of a coin.

  5. Irregular Sleep-Wake Cycles May Raise Heart Attack, Stroke ...

    www.aol.com/lifestyle/irregular-sleep-wake...

    A 2023 study published in Sleep found that sleep regularity was a stronger predictor of overall mortality risk than sleep duration. Participants with higher SRI scores had as much as a 48% lower ...

  6. Sleep and creativity - Wikipedia

    en.wikipedia.org/wiki/Sleep_and_creativity

    The majority of studies on sleep creativity have shown that sleep can facilitate insightful behavior and flexible reasoning, and there are several hypotheses about the creative function of dreams. On the other hand, a few recent studies have supported a theory of creative insomnia, in which creativity is significantly correlated with sleep ...

  7. Polyphasic sleep - Wikipedia

    en.wikipedia.org/wiki/Polyphasic_sleep

    The term polyphasic sleep was first used in the early 20th century by psychologist J. S. Szymanski, who observed daily fluctuations in activity patterns. [2] It does not imply any particular sleep schedule. The circadian rhythm disorder known as irregular sleep-wake syndrome is an example of polyphasic sleep in

  8. Cognitive shuffle - Wikipedia

    en.wikipedia.org/wiki/Cognitive_shuffle

    The cognitive shuffle is based on Beaudoin’s somnolent information processing theory. [5] [13] The somnolent information processing theory postulates the existence of a sleep onset control system that evolved to ensure that falling asleep tends to happen when it is evolutionarily opportune (safe, timely) to fall asleep. [14]

  9. Sleep - Wikipedia

    en.wikipedia.org/wiki/Sleep

    Most of this awake time occurred shortly after REM sleep. [22] Today, many humans wake up with an alarm clock; [23] however, people can also reliably wake themselves up at a specific time with no need for an alarm. [22] Many sleep quite differently on workdays versus days off, a pattern which can lead to chronic circadian desynchronization.