3. It could prevent you from sleeping
LED screens, which includes cell phones, tablets, TVs and other gadgets, give off blue light; a type that studies have suggested to impede the production of the sleep-inducing hormone melatonin and disrupt our circadian rhythms.
Although the reason for this is yet unknown, it may be because blue light emits wavelengths similar to daylight, which can deceive our bodies to think that it’s daytime, at any time.
It is, therefore, advisable to shut down all electronics two hours before bedtime. And if possible, keep phones and laptops in another room while you sleep.
