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Show ! YOUR HEALTH BY DR. R. H. BISHOP. 4 T have often heard people say that coffee at night does not Interfere with their sleep and 1 have always doubted their word. Of course they might be such con-slant con-slant drinkers of the black beverage that one cup before bedtime means little Such people as ft rule have already al-ready so drugged their nerves that they refuse to react to the stimulus of one cup. ' ' Persons unaccusmoted to the use of coffee will find the drinking of one cup before bedtime will interfere with sound sleep. Tests made on men who were not coffee drinkers showed that three or tour cups of coffee taken with breakfast break-fast seriously interfered with the ?leep of these men 14 to 20 hours Inter The effect of coffee on the nervous system continues for a comparatively com-paratively long perioa". The fact that coffee will keep you awake is made use of by students Just beforo cxemlnatlons. in their grinding" sessions The excessive use of coffee In this way Is often followed fol-lowed by a derangement of the Rtoiuach and nervous eystem of the drinker for days. Caffeine, which causes tho "anti-sleep' "anti-sleep' offect in coffee, Is also believed be-lieved to cuuse increased rapidity of thought If the use of caffeine be continued for any length of time ,t may result in a delirium which closely close-ly resembles that of alcoholism. in emergencies when It Is necessary neces-sary to keep awake for a long period coffee serves a useful purpose. But In all such cases it Is ueed to insure in-sure wo kt fulnees, the very condition condi-tion the average man or woman seeks to nvold |