Maybe you know the top 3 or even the top 5 social networking sites, but do you know what’s happening behind them? We maintain the list of top 15 most popular social networking worldwide. New social media sites are coming and going, but these have stood the test of time. We update this list of social media sites with new data as it becomes available. The data in this list combines global and US social media visitors. The actual numbers of monthly visitors are gathered from different sites. We bring you the latest data out there.
According to a study released in 2017 by researchers from the University of Pittsburgh, the link between sleep disturbance and the use of social media was clear. It concluded that blue light had a part to play—and how often they logged on, rather than time spent on social media sites, was a higher predictor of disturbed sleep, suggesting "an obsessive 'checking'". The strong relationship of social media use and sleep disturbance has significant clinical ramifications for a young adults health and well-being. In a recent study, wehave learned that people in the highest quartile for social media use per week report the most amount of sleep disturbance. The median number of minutes of social media use per day is 61 minutes. Lastly, wehave learned that females are more inclined to experience high levels of sleep disturbance than males. 
Social media are interactive computer-mediated technologies that facilitate the creation and sharing of information, ideas, career interests and other forms of expression via virtual communities and networks. The variety of stand-alone and built-in social media services currently available introduces challenges of definition; however, there are some common features: