Artificial light disrupts circadian rhythms from "summary" of The Paleo Solution by Robb Wolf

Artificial light is a convenient modern invention that has drastically changed our lives. While it allows us to work, socialize, and be active well into the night, it also comes with a cost - the disruption of our circadian rhythms. Our bodies are finely tuned to the natural cycles of day and night, a rhythm that has been established over millions of years of evolution. When artificial light is introduced into our environment, especially in the evening and at night, it tricks our bodies into thinking that it is still daytime. This disrupts the production of melatonin, the hormone that regulates our sleep-wake cycle. Instead of winding down and preparing for rest, our bodies remain in a state of alertness, making it difficult to fall asleep and stay asleep. The consequences of this disruption are far-reaching. Poor sleep not only affects our mood and productivity but also has serious implications for our health. It has been linked to a range of chronic conditions, including obesity, diabetes, and heart disease. By disrupting our circadian rhythms, artificial light throws off the delicate balance of our internal systems, leading to a cascade of negative effects on our overall well-being. To mitigate the impact of artificial light on our circadian rhythms, it is important to be mindful of our exposure to it, especially in the hours leading up to bedtime. This means turning off electronic devices, dimming the lights, and creating a calm and relaxing environment that signals to our bodies that it is time to wind down. By prioritizing our sleep and respecting our natural rhythms, we can protect our health and well-being in the face of the modern world's many distractions.

The Paleo Solution

Robb Wolf

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