The Science Behind Blue Light and Circadian Rhythm Disruption
Introduction to Blue Light and Circadian RhythmsBlue light is a high-energy visible (HEV) wavelength of light, ranging from approximately 400 to 490 nanometres. While it occurs naturally in sunlight, blue light is also emitted by a variety of artificial sources that are ubiquitous in daily British life, such as LED lighting, smartphone screens, computers, televisions,…