A recent national survey conducted by Common Sense Media, which included nearly 1,800 parents of children aged eight to 18, found that parents spend an average of nine hours and 22 minutes every day in front of various screens—including smartphones, tablets, computers and televisions. Of those, nearly eight hours are for personal use, not work.
Perhaps even more surprising is that 78 percent of parents surveyed believe they are good role models for how to use digital technology. Multimedia are designed to be engaging and habit-forming, so we do not even realize how much time we spend when we heed the siren call of our devices, says Catherine Steiner-Adair, a clinical psychologist and author of The Big Disconnect
— source scientificamerican.com