Show 1 e Up Wc 0 cn erv e O Science r e Service S Service sr Jc Soundness o of Sleep Matter otter o of Position Not of Time TinIe o of Night ig b bOne it One Cu Cup of Coff Coffee c Promotes Restfulness CHICAGO The The wealthy but sleepless Hindu who is reported to have offered for relief relief relief re re- re- 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 the problem of sleep Not that they have found a remedy remedy remedy rem rem- edy for Insomnia as yet et but their Investigations which make use of a aradIo aradio aradio radio loud speaker and various special clocks among other apparatus apparatus ap ap- ar are shedding light on the factors that affect soun soundness ness of sleep Depth of sleep Is connected with changes of ot position of the sleepers sleeper's sleepers sleeper's sleepers sleeper's sleep sleep- ers er's bod body rather than with the Actual Actual Ac Ac- time as previously supposed Norman R. R Cooperman and Laurence Laurence Laurence Lau Lau- rence report from their studies studies stud stud- ies which have been conducted under under under un un- der the general supervision of ot Dr Nathaniel Kleitman asso associate late professor professor pro pro- fessor lessor of ot ph physiology at ut the sl sity t One One cup of coffee taken before going to bed will cause a person to sleep with fewer changes of position post post- tion than usual but several cups will Induce unusual restlessness pr previous research at the university has shown Effects of Alcohol Alcoholic liquors taken before goIng goIng going go- go Ing to bed will cause sleep with a marked decrease In movements dur during ing the early hours but many more movements during the later hours of ot sleep The temperature of sleepers sleep sleep- ers drops about one degree during the first hours of ot sleep and rises one degree during the last hours Sleepers change their position less lessIn lessIn lessin In the first half halt of the night than thanIn thanin In the last half They average perhaps perhaps perhaps per per- haps a movement every ten mins minutes minutes min min- utes for the whole night consuming b by these movements a total of two to sIx sis minutes The sleep experiments have been carried on In special rooms In the physiology laboratory and In one of the university dormitories How Sleepers Sleepers Are Tested Among the various devices attached attached at nt- to the bed of ot the subject isone Is Isone isone one which flashes a light In an another room where the e experimenter Is located located located lo lo- lo- lo when the sleeping subject makes the slightest move The experimenter experimenter ex ex- who had wakened himself himself himself him him- self by alarm clock at say 2 a. a m ra c. |