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The body clock and sleep

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May 16, 2022
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INSIGHT

Circadian Rhythms Explained

  • Circadian rhythms act as an internal biological 24-hour clock coordinating bodily functions.
  • Russell Foster explains it drives temporal organization essential for health and function.
INSIGHT

Master Clock and Cellular Clocks

  • The brain contains a master clock called the suprachiasmatic nucleus (SCN).
  • Every cell in the body also has its own molecular clock synchronized by the SCN.
INSIGHT

Why Circadian Clock Runs Slow

  • Circadian clocks tick slightly longer than 24 hours, around 24 hours 11 minutes.
  • This slight offset helps synchronize internal clocks with the Earth's 24-hour day more effectively.
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