The average American teenager now spends more than eight hours a day on screens outside of schoolwork, according to Common Sense Media’s 2021 census of media use. For boys, a large share of that is gaming, and gaming has a particular grip: it is competitive, social, endlessly rewarding, and available at every hour. A father who wants to understand what this is doing to his son, and what to do about it, deserves a straight account of what is known.
What the research shows
Several findings are reasonably well supported. Heavy screen use crowds out sleep, and adolescents who sleep less do worse in nearly every measurable way: mood, attention, grades, and physical health. It crowds out reading, which matters because reading is the main way a teenager builds vocabulary and sustained attention. And it crowds out physical activity and time with people in the same room.
Brain-imaging studies have added a more alarming layer. The NIH’s Adolescent Brain Cognitive Development study, the largest long-term study of brain development and child health in the United States, has reported associations between screen use and differences in brain structure. Early scans shared by NIH researchers in 2018 showed premature thinning of the cortex in children using screens more than seven hours a day, though the study’s director cautioned that “we don’t know if it’s being caused by the screen time.” Other studies have linked screen use above pediatric guidelines in young children to lower measures of language and literacy. Jonathan Haidt’s 2024 book The Anxious Generation assembled much of this evidence to argue that the smartphone and social media are the chief cause of the sharp rise in adolescent anxiety and depression since the early 2010s.
What it cannot yet say
Honesty requires some caution. Most of this research is observational. It shows that heavy screen use goes together with worse outcomes, not that it causes them. Boys who are already struggling may retreat into games, rather than the games causing the struggle. Some researchers, such as the psychologist Candice Odgers in a 2024 review in Nature, dispute Haidt’s causal claims, calling the evidence equivocal and arguing the effects are smaller than headlines suggest. And the imaging findings, while real, are associations across groups of children; they do not tell a father what a particular game is doing to his particular son.
None of that is a reason for complacency. A father does not need a randomized trial to see that a boy who plays until one in the morning is exhausted, irritable, and behind on his reading. But it is a reason to be skeptical of both the panic and the reassurance, and to act on what is plainly visible in your own house.
What is different for boys
Boys and girls tend to use screens differently. Girls gravitate more to social media, and much of the research on anxiety concerns them. Boys gravitate to games and video, and the concern there is somewhat different: not comparison and cruelty so much as displacement. A boy who spends four hours a day in a game is not spending those hours doing anything hard in the real world, and adolescence is precisely the period when hard real things are supposed to form him.
There is also the matter of what games supply. They offer challenge, progress, competition, status among peers, and a sense of competence, all things boys crave and all things a good education is supposed to provide. When school and home fail to offer them, the game does, and it does so without demanding anything that carries over into life. Our essay “Unplug to Grow” makes the case at more length.
Rules that hold
Every family will set its own rules, but a few have proven durable in the households we know.
No screens in bedrooms, and none after a fixed hour. Phones and consoles charge overnight in a common room. This single rule protects sleep, which protects nearly everything else.
Screens follow work, not the reverse. Reading, chores, training, and homework come first; screen time is what is left over, and it is finite.
Delay the smartphone. Many families now wait until high school, or later, and give a basic phone before that. Boys survive this better than they claim they will.
Replace, do not merely remove. A boy denied his game with nothing to fill the hours will be miserable and resentful. A boy handed a boxing membership, a job, a backpacking trip, or a hard book with his father reading alongside him has somewhere to put the energy. The most effective screen policy we know is a life that is more interesting than the screen.
Fathers go first. A boy will not take his father’s rules seriously if his father is on his own phone at dinner.
The screen-free school
Meriwether Academy takes the argument to its conclusion. The boys’ boarding school we are working to found will be screen-free: real books, pen and paper, and a day so full of study, labor, training, and time outdoors that the absence of screens is barely noticed. Parents sometimes ask whether that will leave a boy unprepared for a technological world. Our answer is that the tools are easy to learn later; the attention, memory, and self-command that screens erode are not. The evidence behind that judgment is summarized on the school page.