A 2004 study conducted at Wayne State University in Detroit looked at the sleep quality of 31 women ages 46 to 51 , 12 of them experiencing an average of five hot flashes per night .
Detroit /location/location/contains Wayne State University
DT CD NN VBN IN NNP NNP NNP IN NNP VBD IN DT NN NN IN CD NNS NNS CD TO CD , CD IN PRP VBG DT NN IN CD JJ NNS IN NN .
Detroit
LOCATION
Wayne State University
ORGANIZATION
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