Clinicians have even more reason to ask patients about any sleep-related troubles the person might be experiencing now that several recent studies have added to the evidence demonstrating the detrimental health effects of such problems.

Vincent Yi-Fong Su, MD, and colleagues reported in CMAJ that sleep apnea appeared to confer a higher risk for pneumonia in an 11-year study of 6,816 persons with the sleep condition and 27,284 controls.

A team in the United Kingdom discovered that among several factors measured, nonrestorative sleep was the strongest independent predictor of new-onset widespread pain in a population-based study of 4,326 adults aged 50 years and older. 

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Children, too, are vulnerable to serious consequences of poor sleep: The Journal of Pediatrics carries a study conducted by Heidi B. IglayReger and associates showing that sleep duration inversely predicts cardiometabolic risk in obese adolescents, aged 11 to 17 years, even when the investigators controlled for various measures of physical activity, anthropometry and adiposity.


  1. Yi-Fong Su V et al. CMAJ. 2014; doi:10.1503/cmaj.131547.
  2. McBeth J. Arthritis & Rheumatology. 2014;66:757–767.
  3. IglayReger HB. J Pediatrics. 2014; doi:10.1016/j.peds.2014.01.034.