| Show r i Keeping U Up p W h clan e eSc Sc n e erv e em I 1 m e lenc VU len Soundness of Sleep Matter Mailer of Position Nol Noi TitHe Time of Night o One Cup of Coffee Promotes Restfulness CHICAGO The The wealthy but sleepless Hin Hindu u who ho is reported to have offered for re relief reo re- lief from insomnia might find it to his advantage to get in touch with research workers at the University of Chicago here who are Investigating the problem of ot otI I sleep gl l I Not that they ha have found a n rem rem- I edy for tor Insomnia as yet jet et but their Investigations which make male use of a I radio loud speaker spanker and various special clocks among other ap ap- o are shedding light on tho the factors torten that affect soundness of I sleep Depth of ot sleep Is connected with changes of ot position of ot the sleepers sleeper's steep sleep I ers er's body rather than with the actual ac acv time as previously pre supposed Norman II R. Cooperman and Laurence Laurence Laurence Lau Lau- rence report from their studies stud lea ies which have e been conducted under under un der the general supervision of ot Dr Nathaniel 1 associate professor pro fessor of physiology at the sity One cup of ot coffee collee taken before I going to bed will cause a person to sleep with fewer changes of or post than usual but several cups CUP will Mill Induce unusual restlessness previous pre research at the university has hag shown Effects Effect of Alcohol Alcoholic is liquors taken before goIng goIng go go- Ing lag to bed will cause sleep with a marked decrease In movements durIng during dur dur- ing lug the early hours but many more movements mO during the later Inter hours of ot sleep The temperature of ot sleepers sleep sleep- ers era drops about one degree during the first hours of ot sleep and rises one degree during the last hours hourS' Sleepers change their position less lessIn lessin In the first half halt of ot the night than thanIn In the last half halt They average e perhaps per per- haps a movement every ten mIn utes for tor the whole night consuming by bl these movements a aa total of ot two to six minutes The sleep experiments have e been carried on In special rooms In th the physiology laboratory and In one of ot the university dormitories How Sleepers Are Tested Among the various devices attached at to the bed of ot the file subject 1 le Is Isone one which h flashes a light In la another room where the file experimenter Is 10 o sated when the sleeping subject makes the slightest move moe The ex who had wakened hImself him hm self by alarm clock at say 2 a. a m mand m. m and has lias waited walled until 2 15 e a. a m m. for a motion b by the subject then the turns on the loud loudspeaker lou r eaker softly a at first then at varying Intensity When the subject awakens h he pushes a buzzer which sounds I Ithe In Inthe the experimenters experimenter's room to Indicate that he lie Is I. 8 0 awake e The experIment er en then notes the Intensity of ot soun sound necessary to awaken the sleeper the time of ot night and the time that elapsed between the motion of the sleeper and the stimulation by sound |
