Seasonal changes in sleep duration and sleep problems: A prospective study in Japanese community residents.

ABSTRACT:

Background

A scientific understanding of the effects of seasonal changes on sleep duration and sleep problems such as insomnia and hypersomnia has yet to be elucidated; however, such an understanding could aid the establishment of an optimal sleep hygiene program to treat such problems.

Methods

We investigated the effects of seasonal changes on sleep duration and sleep problems in Japanese community residents. Data on 1,388 individuals aged 15-89 years who participated in the Survey of Seasonal Variations in Food Intakes conducted by the National Institute of Health and Nutrition of Japan (2004-2007) were analyzed. Participants completed a questionnaire including items on sleep duration and sleep problems (difficulty initiating sleep [DIS], difficulty maintaining sleep [DMS]

SUBMITTER: Suzuki M 

PROVIDER: S-EPMC6472875 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature