CBC News – Kim Knull
“Too much time tapping away on an iPad, iPhone or similar screen — particularly around bedtime — can have a big impact on a child’s mental well-being, says psychologist and parenting columnist Kim Knull…”Even a few minutes of playing on your iPad or iPhone before bed actually delays your melatonin release, so of course that’s going to impact a person’s mood simply from a sleep deprivation perspective”…Interactive screen use can also impact brain chemistry, messing with how a person experiences pleasure. “Screen time desensitizes the brain’s reward system,” Knull said. “What that means is, there’s too much dopamine that’s being released in our brains…It actually takes more stimulation to feel happy in your regular day-to-day life…””(more)