Can reducing digital screen time in the evening improve sleep and daytime vigilance in adolescents?

The data from Phase 1 (before the intervention) confirmed with objective and subjective measures that time on screen after 9 pm correlated negatively with sleep duration during school nights. The researchers also found that it is possible to extend sleep in adolescents by imposing a restriction on their screen time after 9 pm, with beneficial

consequences on daytime vigilance.

Reducing the use of screen electronic devices in the evening is associated with improved s

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