While the association between obesity and short sleep duration is intriguing, Vorona and colleagues1 seriously misrepresent their findings based on what appears to be confusion over “regression to the mean,” an important statistical concept credited to Sir Francis Galton,2 the brilliant but misguided founder of the eugenics movement.3 The authors make 2 implausible and inaccurate statements that I fear the lay press will focus on:
Brotman DJ. “Regression” of Adiposity With More Sleep. Arch Intern Med. 2005;165(11):1314–1315. doi:10.1001/archinte.165.11.1314-b
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