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  1. Sep 29, 2006 · A man with a vivid imagination and a love for dreams moves to France and falls for a woman. Watch the trailer, see the cast and crew, read reviews and trivia, and learn about the film's awards and connections.

    • (71K)
    • Comedy, Drama, Fantasy
    • Michel Gondry
    • 2006-09-29
    • What Happens When You Sleep?
    • How Does The Body Regulate Sleep?
    • Why Is Sleep Important?
    • GeneratedCaptionsTabForHeroSec

    Within a minute after falling asleep, notable changes start to affect both the brain and body. Body temperature drops, brain activity ramps down, and heart rate and respiration slow as well. Not surprisingly, the body’s energy expenditure is lower during sleepTrusted SourceNational Library of Medicine, Biotech InformationThe National Center for Bio...

    The body regulates sleep with two key drivers: sleep-wake homeostasis and the circadian alerting system. 1. Sleep-wake homeostasis. This technical term describes something most of us know implicitly from experience: the longer you’re awake, the more you feel a need to sleep. This is because of the homeostatic sleep driveTrusted SourceNational Libra...

    While even experts haven’t reached a consensus explanation for why we sleep, numerous indicators support the view that it serves an essential biological function. From an evolutionary perspective, the fact that sleep exists in almost all animal species — despite the fact that it creates vulnerability and takes time away from feeding or procreating ...

    Learn about the key details of what happens to the mind and body during sleep, the sleep stages, the regulation of sleep, and the chemicals and hormones involved in sleep. Explore how sleep affects your physical, emotional, and mental health and how you can improve your sleep quality.

    • 3 min
  2. Oct 1, 2021 · Learn about the definition, characteristics and functions of sleep from the Division of Sleep Medicine at Harvard Medical School. Explore the natural patterns of sleep and the factors that disrupt them.

  3. The Science of Sleep (French: La Science des rêves, literally The Science of Dreams) is a 2006 surrealistic science fantasy comedy film written and directed by Michel Gondry. Starring Gael García Bernal , Charlotte Gainsbourg , Miou-Miou and Alain Chabat , the film stems from a bedtime story written by Sam Mounier, [4] [5] then 10 ...

  4. Learn about the different types of sleep, the genes and processes that regulate sleep, and the health benefits and risks of sleep. Find out how sleep affects your brain, body, and quality of life from Johns Hopkins sleep experts.

  5. Jun 10, 2024 · Understanding the Science of Sleep. What Are the 5 Sleep Stages? How Sleep Affects Your Physical & Mental Wellbeing. Research Findings on Sleep Deprivation. Criticisms & Myths. 3 Common Sleep Disorders. 5 Signs You Are Not Getting Enough Sleep. How to Use the Science of Sleep to Improve Your Sleep. Helpful Resources From PositivePsychology.com.

  6. Oct 1, 2021 · Transitions between wakefulness and sleep are controlled and regulated by the brain, which also plays a key role in directing quantity and depth of sleep. However, sleep is also strongly influenced by external factors, such as light and caffeine.