Social media is the most harmful distraction for students. It should be used only for your preparation purposes.
Facebook and Instagram is the most time consuming . You can stay connected with everyone but this time you can use for any other productive work or study.
YouTube is a great asset, it has millions of videos it has good content which is very educative and informative. One can be spent one’s time for something on you tube that adds to their knowledge.
And there are also many discussion platfoms that can be helpful for resolving doubts . So Its use depend on your choices.
Some students get addicted to these platfoms so better way would be to get rid of addiction to set aside phones for some time .