Do we sleep too much?
Daniel F
DF
Kripke
D015992:Body Mass Index; D003863:Depression / Q000175:diagnosis / Q000523:psychology; D005260:Female; D006801:Humans; D008297:Male; D009026:Mortality / Q000639:trends; D012890:Sleep / Q000502:physiology*; D013315:Stress, Psychological / Q000523:psychology; D011795:Surveys and Questionnaires; D013997:Time Factors