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Sleep, Dreams, and Body Rhythms

Consciousness. . Consciousness. Awareness of yourself and your environment. Body Rhythms. . Pseudoscientific Claim. Any assertion that is not based on science, even though in some circumstances attempts are made to appear scientificAppears to be scientific but is not. Biological Rhythms. Periodic

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Sleep, Dreams, and Body Rhythms

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    1. Sleep, Dreams, and Body Rhythms

    2. Consciousness

    3. Consciousness Awareness of yourself and your environment

    4. Body Rhythms

    5. Pseudoscientific Claim Any assertion that is not based on science, even though in some circumstances attempts are made to appear scientific Appears to be scientific but is not

    6. Biological Rhythms Periodic physiological fluctuations Can affect physiological functioning Fall into three main categories Circadian Rhythms Ultradian Rhythms Infradian Rhythms

    7. Circadian Rhythms Biological rhythms that occur approximately every 24 hours Example: Sleep-wake cycle and temperature

    8. Ultradian Rhythms Biological rhythms that occur more than once each day Example: Stages of sleep throughout the night

    9. Infradian Rhythms Biological rhythms that occur once a month or once a season Example: Women’s menstrual cycle

    10. Sleep and Sleep Deficit

    11. Sleep Deprivation Effects Decreases efficiency of immune system functioning Safety and accident issues Contributes to hypertension, impaired concentration, irritability, etc.

    12. Sleep Deprivation

    13. Why We Sleep

    14. Hypothalamus Sleep control center in the brain Monitors changes in light or dark in the environment Changes levels of hormones in the body

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