The high-tech specs that claim to beat dry eyes and insomnia
As a lifelong insomniac, it’s been drummed into me that ‘blue light’ — the type emitted by smartphones and laptop screens — is the enemy. This short-wavelength, high-energy light is also a natural part of sunlight, and helps to regulate our body clocks in the morning by suppressing the release of the sleep hormone melatonin, … Read more