Men in Black Sleep GlassesThe Ultimate Shield for Your Sleep and Your Style. When the sun goes down, its time to gear up. Introducing the Men in Black Nighttime Blue Light Blocking Glasses engineered for serious protection after dark. These powerhouse glasses are designed to block 99% of disruptive blue light so your body can naturally wind down, produce melatonin, and prepare for deep, restorative sleep. Originally designed with men in mind (think bold lines, strong frames,