In 1955, Bernard Brodie and Arvid Carlsson found that an herbal drug called reserpine seemed to make animals " lethargic, " " apathetic, " and " depressed."
In the First World War, lethargic Germans on the front line often learned this the hard way when their beauty sleep was abruptly disrupted by either a thwack to the head, a stab to the chest or a grenade to the face.
And best you can, just see if you can kind of notice where your energy lies, maybe it's a little anxious, a little stressy, maybe you are already feeling lethargic, and you just want to ride the wave to sleepy town.
" The treatment mainly targets people with chronic respiratory illnesses or allergic rhinitis, as well as children, the elderly and those who feel lethargic, catch a cold or cough frequently, " it said.
So you then have this situation where insulin won't let you use your fat for energy, so when you're low on energy, you're going to feel very lethargic and hungry until you get new glucose.