Said Hasyim's Quote

"You can't expect your body to sleep optimally at daytime while the light exposure reduces your total melatonin production."
Peak Human Clock

It is important to recognize the effect of light exposure on melatonin production and its connection to sleep quality. Without adequate darkness throughout certain periods of the day, our bodies may fail to produce enough melatonin and thus find it more difficult to achieve optimal rest.

Boxset of Peak Productivity book

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