Overview
- Haidt tells CNBC the average child’s recreational screen time is eight to ten hours a day, not counting school use.
- He identifies unsupervised use behind closed doors as the highest risk and frames a bedroom ban as his No. 1 household rule.
- He advises keeping screens to shared spaces only and using a family check‑out system with a designated box on the kitchen counter.
- Common Sense Media data show about 40% of two‑year‑olds have their own tablet and 88% to 95% of teens have smartphones.
- School exposure continues to grow, with Google reporting Chromebooks used by 50 million students and teachers daily.