I guess it should be like this ; 1) Never use social networking at night. It will not give you trouble sleeping. 2) If you do not get enough sleep. you will be tired the next day. 3)Social networking sites do bring people closer, but it also creates distance between couples. 4) People are addicted and spend a lot of time on Facebook. 5) Apple has got 68% revenue just by
It is not necessary to use " do " but i used it beacuse it would heighten the effect. Also the next line, "but it creates distances between couples" is the opposite.