Incidentally, this is what drew me to Shiva Yoga when I was first getting in to contemplative practice. They were the first school that had a no-nonsense vibe. "If you want to wake up then here are the things we are doing. You better believe we are fixing your diet and sleep.”
He reccomends Tantra illuminated – on shiva yoga
"If you manage to control yourself there will be ice cream" said the parent.
"I sure hope this doesn't have unforeseen lifelong consequences" thought the child, doing their best to physically tense the body in the higher ice cream probability shape.