Background Inadequate sleep is known to be related to obesity-related diseases and also considered to be associated with dietary nutrition intake. Tracked dietary patterns have been reported which show that lifestyle during adolescence may be a determinant of overweight status and sleep behavior in adulthood. Thus, it is important to confirm the relationship between sleep behavior and dietary nutrition intake in younger individuals. Objective The aim of this study was to clarify the influence of ingested nutrients on poor sleep behavior. Participants We examined 177 university students from a sample of 187 (43 males, 144 females), with ages ranging from 18︲24 years. Measurable outcome The Pittsburgh Sleep Quality Index (PSQI) was used to assess sleep behavior. Dietary intake was evaluated using a self-administered diet history questionnaire. Based on the PSQI results, the participants were divided into the favorable and unfavorable groups, and the amounts of nutrient intake were compared between them. Results Although none of the specific nutrients surveyed showed a relationship with poor sleep quality or long sleep latency, students with short sleep duration consumed a significantly lower amount of soluble fiber, as shown by multivariate analysis. Conclusion Our findings suggest that ingestion of soluble dietary fiber may be desirable for obtaining an adequate sleep time and prevention of obesity-related diseases. Nevertheless, additional studies including a longitudinal investigation are required to confirm our findings.
Akagi et al. (Mon,) studied this question.
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