zeitgeber

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agapanthus ever sapphire 

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• Your brain’s suprachiasmatic nucleus (SCN) serves as the master biological clock that regulates your body’s circadian rhythms
• Your body’s central circadian clock is not alone; peripheral clocks are found in various tissues and nearly every organ throughout your body, including the liver, lungs, heart and skeletal muscles
• Shift work, jet lag and many other factors can throw your circadian rhythm off kilter; your body relies on zeitgebers — external cues that help regulate and synchronize your circadian rhythms — to get back on track
• Exposure to bright light, ideally from sunlight, during the day and avoiding artificial light at night is a powerful method to keep your circadian rhythms in sync
• Meal timing also influences your circadian rhythms; it’s best to avoid eating before sunrise or after sunset and to stop eating at least three hours before bedtime

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