Affections of the nervous system. Sleep. - Sleeplessness; drowsiness. General Synvptoms. - Headache as if the brain would be dashed in pieces; aching pain in the top of the head; headache in the morning and on stooping forward; darting in the teeth; toothache with restlessness and anguish; neuralgia; violent cutting, shooting or neuralgic pain in the bowels or extremities. Oppression of the chest. Convulsions with grinding of the teeth. Pains are generally worse in the open air.