It's certainly an interesting story. I'd still take it with a grain of salt, as often this kind of Reddit family story is closer to an exercise in creative writing than anything else, but that's besides the point.
I remember a communication by the World Health Organization that concluded that social media and video games are not addictive like drugs are, because they don't cause chemical withdrawal when immediately stopped. Maybe what this mother is actually witnessing is her daughter suddenly feeling socially excluded after having filled the void by social media until now?
Where exactly the line is between 'withdrawal' and anxiety caused by a sudden, non-voluntary change in habits, I'm not sure, but I'd say that the one looks very like a symptom of the other.
If we're willing to admit gambling to the list of things that can be addictive, then I'm not sure why other dopamine-related compulsive activities shouldn't be treated the same. Restlessness is well known as a gambling withdrawal symptom.
I remember a communication by the World Health Organization that concluded that social media and video games are not addictive like drugs are, because they don't cause chemical withdrawal when immediately stopped. Maybe what this mother is actually witnessing is her daughter suddenly feeling socially excluded after having filled the void by social media until now?