According to the data of American scientists, the use in any capacity
mobile phones and tablet computers for less than two hours before sleep,
can have a very negative impact on the future dream. Scientists argue
that the screens of these devices is used backlight, which can lead to a
negative impact on the process of production of melatonin, which
prevents the body is preparing to sleep and people are asleep. The
constant use of these gadgets right before bed can lead not only to the
regular disturbance of sleep, and increase the risk of developing
obesity, and type 2 diabetes.