Ratings & Reviews performance provides an overview of what users think of your app. Here are the key metrics to help you identify how your app is rated by users and how successful is your review management strategy.
4.4App calculates the number of hours you should sleep based on your age. The results are based on a research study conducted by The National Sleep Foundation that took more than two years of research to complete. Following is the link to the research paper: http://www.sleephealthjournal.org/article/S2352-7218(15)00015-7/fulltext
