Codeine.
Coffee: causes insomnia, but has been recommended in insomnia from deficient nervous power, or chronic alcoholism.
Cold Douche.
Digitalis: when deficient tone of vaso-motor system.
Duboisine.
Ether: in full dose.
Ethylene Bromide.
Galvanization.
Gelsemium: in simple wakefulness.
Glycerinophosphates.