Using digital devices before bed may contribute to sleep and nutrition problems in children, according to Penn State College of Medicine researchers, reports Medical Xpress.

After surveying parents about their kids’ technology and sleep habits, researchers found that using technology before bed was associated with less sleep, poorer sleep quality, more fatigue in the morning and —in the children that watched TV or used their cell phones before bed—higher body mass indexes (BMI).

Caitlyn Fuller, medical student, said the results—published in the journal Global Pediatric Health—may suggest a vicious cycle of technology use, poor sleep and rising BMIs.

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