National data showed that delayed sleep in six-year-old children was associated with excessive use of electronic devices at 12 years.
Tsuguhiko KatoTakashi YorifujiMichiyo YamakawaSachiko InouePublished in: Acta paediatrica (Oslo, Norway : 1992) (2018)
Our study indicated that six-year-olds who regularly stayed up late at night used electronic devices more frequently, or for longer, at the age of 12. Parents need to be more aware of links between sleep issues and electronic devices.