Fundamentals of circadian entrainment by light (2021)

A scientific article discussing the fundamentals of circadian entrainment by light, citing a 2021 study published in a journal. The study explores how light exposure affects the human body's internal clock and its synchronization with the 24-hour day-night cycle. The article delves into the mechanisms of light-induced phase resetting, the role of the suprachiasmatic nucleus (SCN) in regulating circadian rhythms, and the impact of light on melatonin suppression and alertness.