What is distraction? What we call distraction some people say it is a necessity like mobile phone or even wife and children.

This is distraction that thinking sets out on a different pattern. Quran clearly says that children are a problem whereas you claim that it is a blessing. Nowhere does the Quran say that children are a blessing! People have developed self-styled notions and say that it is religion. Distraction is anything, which takes your attention away from your goal (God-orientedness and realization of God).