With myriad electronic ways to socialize, gossip, and explore hobbies, tech-addicted teenagers are getting even fewer hours of sleep. Some school officials have taken notice and are trying to help parents set boundaries. When the bedroom door is closed, computers should be off and cellphones should not be in the bedroom. It is too tempting. When eighth graders from Berkeley Carrol School in Brooklyn went on a school trip to Grand Teton National Park, all smartphones were stored in a large tub. "They were chirping like hyperactive grasshoppers." Mr. Shapiro said. The author compares- teenagers to grasshoppers
cellphones to grasshoppers
tennagers to hobbies? ​