The article discusses the impact of LED lighting on human melatonin production and sleep quality, citing research that suggests LED lighting can suppress melatonin production and disrupt sleep patterns. The author argues that the shift to LED lighting in recent years has had unintended consequences for human health. The article also explores the biology of melatonin production and the effects of blue light on the human circadian rhythm. The author suggests that alternative lighting options, such as incandescent bulbs or specialized LED bulbs, may be a better choice for evening use.