Alegria Evening Blue Light Blockers are designed to prepare your body for a restful night by reducing blue light exposure and easing stress. These glasses block 100% of blue and harmful green light (up to 515nm) and mimic the calming bonfire color. Wear them after sunset to transition smoothly from daytime activities to a relaxing evening, allowing your body to wind down naturally. Alegria Evening Blue Light Blockers are scientifically engineered to mimic the color temperature of twilight and bonfire, making them the perfect transition between daytime and nighttime glasses. By wearing them, you can reduce stress, improve cognition and memory, and produce melatonin for a peaceful sleep.