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In this study, we used a strict definition of hypersomnia and tested if the association between overeating-hypersomnia remained positive and significant. Hypersomnia was present if the total sleep time was close to 10h per day or was at least 2h longer than in normothymic periods.Cross-sectional study using the adult general population of California and New York. The sample was composed of 6694 individuals aged between 18 and 96years. Participants were interviewed by telephone using the Sleep-EVAL system. The interviews included various sleep and health topics and the assessment of DSM-IV sleep and psychiatric disorders.The one-month prevalence of major depressive episode was 6.1%, including a one-month prevalence of atypical depression of 1.6%, in this sample. Atypical depression subjects had a greater number of depressive symptoms and a longer duration of the current depressive episode than the other depressive subjects. Depressive subjects with hypersomnia slept longer (8h, 29min) than the other depressive subjects (6h, 36min) and longer than the subjects "getting too much sleep" (6h, 48min). Furthermore, hypersomnia was not associated with overeating while "getting too much sleep" showed a positive association with overeating.Hypersomnia needs to be evaluated using a strict definition. Otherwise, it leads to an overestimation of this symptom in major depressive episode subjects and to a false association with overeating.
View details for DOI 10.1016/j.jpsychores.2014.09.018
View details for PubMedID 25450239