One hour a day, and not more than 21 hours a week.
Fortunately, however, this temporary exodus is not a complete waste of time! When we play a good game, we get to practice being the best version of ourselves: We become more optimistic, more creative, more focused, more likely to set ambitious goals, and more resilient in the face of failure. And when we play multiplayer games, we become more collaborative and more likely to help others. In fact, we like and trust each other more after we play a game together — even if we lose! And more importantly, playing a game with someone is an incredibly effective way to get to know their strengths and weaknesses–as well as what motivates them. This is exactly the kind of social knowledge we need to be able to cooperate and collaborate with people to tackle real-world challenges.