weight loss is the biggest holy grail and money tree in the world of pharmaceuticals. money will come out of NOWHERE to fund it if that informatin is even hinted at!
we could benefit from it, (because heaven knows, no one cares about sleepy people) by research, development and "off label" use of marvellous drugs, and whatever they find out about these metabolic mysteries.
On the other hand, if science spends a mega fortune finding out WHY sodium oxybate has that effect, and they discover a simple physiological explanation for a thin narcoleptic putting on weight like that,