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Dutch teenagers think they are spending too much time on their phones, laptops and tablets and seven in 10 regret not spending more time outside, new research commissioned by the Volkskrant reveals. The survey, among 569 youngsters aged between 10 and 22, showed that they spent an average of three hours and 20 minutes a day looking at a screen outside school hours. Like their parents, the teens themselves think 2.5 hours would be a more responsible amount of time. Many teens also think that too much screen time is having a detrimental effect both on their physical and their mental well-being. Over half (57%) the teens thinks overuse leads to sleeping problems and 47% think it can lead to problems with their eyesight, a lack of concentration (45%), and shoulder and back problems (50%). Most of the teen respondents blame the light emanating from the screens.