Is Your Smartphone Keeping You Up At Night?

Your cellphone could be keeping you up at night according to a new study. Scientists found exposure to smartphone screens -- especially around bedtime -- could be the cause of poor sleep. The research, published in medical journal PLOS one, says as smartphone use has increased so have sleep deprivation and insomnia.

Researchers who conducted the study say light produced from a smartphone can suppress production of melatonin -- which leads to decreased levels of drowsiness and difficulty sleeping. In addition, spending time on your smartphone doing engrossing type of activities may keep you up.