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The modern workday is increasingly defined by “screen time,” with the average office worker spending over seven hours a day in front of a monitor. This shift has placed unprecedented demand on our visual and cognitive systems. Central to this discussion is blue light—high-energy visible (HEV) light with wavelengths between 380 and 500 nanometers. While […]

The modern quest for “brain hacking” often leads ambitious professionals and students to the ultimate frontier: sleep. Polyphasic sleep—the practice of breaking rest into multiple short bursts across 24 hours—promises a seductive trade-off: more waking hours and heightened mental clarity. While historical figures like Thomas Edison famously viewed sleep as a “heritage from our cave

Modern productivity culture often pushes a “one-size-fits-all” narrative: wake up at 5:00 AM, grind through the morning, and rest at night. However, biological reality is far more nuanced. Research into human chronotypes—the internal biological clock that governs your sleep-wake cycle—suggests that forcing yourself into a schedule that contradicts your biology can lead to “social jetlag,”