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We can adopt zeitgebers to reset our circadian rhythms and use other strategies to help our bodies adapt to daylight savings time, jet lag, or shift work.
Research shows that exposure to artificial light at night detracts from sleep, whereas early-morning sun exposure improves sleep and the circadian rhythm.
Though city lights illuminate the night, they and other forms of light may disrupt our circadian rhythms, potentially making people more vulnerable to disease.
Certain habits, supplements, and often ignored factors play a critical role in how your immune system functions.
