Children develop sleep problems when they use portable media devices, such as tablets or smartphones, before bed. They have more difficulty falling asleep, staying asleep, are more sleepy during the daytime, and are twice more likely to sleep less than children without access to their devices before bedtime. A JAMA Electronics and Sleep Problems
Children develop sleep problems when they use portable media devices, such as tablets or smartphones, before bed. They have more difficulty falling asleep, staying asleep, are more sleepy during the daytime, and are twice more likely to sleep less than children without access to their devices before bedtime. A JAMA 
