Sleeping in dark vs sleeping in light: Impact of sleep style on a person's life span

Sleeping in darkness is crucial for the body’s repair and regulation, as light disrupts melatonin production and vital systems. Even moderate light exposure during sleep negatively impacts heart rate and insulin sensitivity, increasing long-term health risks. Prioritizing complete darkness promotes restorative sleep, enhancing mood, memory, and immune function for a healthier, longer life.

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