Reactive hyperglycemia, it's time for digestion and digestion is
a parasympathetic effect. Such an effect comes into play when one
is resting, relaxing, sleeping, chilling and digesting. All for the
purpose of comfort...
So if you want to feel active, skip lunch and you'd have all the
hypoglycemic symptoms... That's why some gung-ho workers wanna
prolong their working hours by carrying out this trick, but it's
not recommended lar... get a good breakfast too! 
