More than half of children say they sleep with their mobile phone beside their bed, according to an annual survey of young people’s use of media.

The Childwise report found children getting mobiles at an earlier age, with most now having their own phone by the age of seven.

The average time spent on mobiles by seven to 16-year-olds is three hours and 20 minutes per day. The survey, based on interviews with 2,200 children in the UK aged five to 16, shows the pivotal place of the mobile phone in young lives.

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