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OBJECTIVE The dose-response of short sleep duration in mortality has been studied, in addition to the incidences of notable health complications and diseases such as diabetes mellitus, hypertension, cardiovascular diseases, stroke, coronary heart diseases, obesity, depression, and dyslipidemia. METHODS We collected data from prospective cohort studies(More)
BACKGROUND This study was a nationwide epidemiological study of insomnia in Japan. It was conducted because very few studies on this topic have previously been performed for the general Japanese population. METHODS An interview survey on symptoms of insomnia (difficulty initiating sleep, difficulty maintaining sleep with difficulty resuming sleep, and(More)
BACKGROUND This study aimed to clarify the associations between the frequency and amount of alcohol consumption and problematic Internet use, such as Internet addiction and excessive Internet use. METHODS A self-administered questionnaire survey was administered to students enrolled in randomly selected junior and senior high schools throughout Japan, and(More)
OBJECTIVE The objective of this study was to clarify the incidence rate and predictive factors of insomnia in Japanese junior and senior high school students. METHODS We conducted a baseline survey on first year junior and senior high school students (seventh and 10th graders) throughout the nation. A follow-up survey was then conducted two years later.(More)
OBJECTIVE The objective of this study was to investigate napping habits and their associated factors in the Japanese adult general population. METHODS The cross-sectional survey was conducted in November 2007 for subjects selected randomly from among 300 districts throughout Japan. Data from 7664 people (3527 men and 4137 women), aged 20-99 years, were(More)
CONCLUSIONS The feelings of dizziness and unsteadiness of the patients with fibromyalgia supposed specifically amplified by the hypersensitivity mechanism of CSS (central sensitivity syndrome) of them. The severity of subjective pain and physical distress according to the questionnaires were not correlated with the objective body sway on the stabilometer.(More)
CONCLUSION Patients with incapacitating Meniere Disease (MD) suffer in their daily lives and activities because of the dizziness and anxiety induced by MD. Minimally Invasive Vestibular Neurotomy (MIVN) is a safe and effective surgical treatment for these individuals, and improved their dizziness and anxiety. OBJECTIVES This study aimed to assess the(More)
OBJECTIVE To clarify the prevalence of stress, and examine the relationship between sleep disorders and stress coping strategies among highly stressed individuals in the general Japanese population. METHODS A cross-sectional nationwide survey was undertaken in November 2007. Men and women were randomly selected from 300 districts throughout Japan. Data(More)
The aim of this study was to clarify the association between smoking and problematic Internet use (PIU), such as Internet addiction (IA) and excessive Internet use (EIU), among Japanese adolescents. A self-administered questionnaire was administered to students enrolled in randomly selected junior and senior high schools throughout Japan. Responses were(More)
We examined the dose-response relationship between long sleep duration and health outcomes including mortality and the incidence of diabetes mellitus, hypertension, cardiovascular diseases, stroke, coronary heart diseases, obesity, depression and dyslipidemia. We collected data from 5,134,036 participants from 137 prospective cohort studies. For the(More)
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