If you want to have a pleasant sleep at night, then say good night to your iPads before switching off the lights. If you don’t do so, then you might not feel like sleeping for next few hours.
Yes, in a recent research it has been found that the screens of an iPad produces a blue light that looks similar to that of daylight. When this enters your brain through eyes, it gives the brain indication of daytime. And since our brain is evolved to be wakeful during daytime and sleep during night; it follows the same tradition.
The brain chemical known as melatonin, which is responsible for making us fall asleep, get suppressed by the Blue light and hurdles us from sleeping.
Today, a large number of people use their tablets before going off to bed. Whether they surf internet check emails or logon to Facebook; the effect of blue light is similar in all cases.
At the same time, if an orange or red light is emitted from a gadget or it enters the eyes through some other mode, then it doesn’t suppress melatonin production; reason behind this is that our brains are very much known to this color as the indication of day ending.
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