Sleep deprivation.

Mayo Sleep Disorders Center, Mayo Clinic, 4500 San Pablo Road, Jacksonville, FL 32224, USA.
Primary Care Clinics in Office Practice (Impact Factor: 0.83). 07/2005; 32(2):475-90. DOI: 10.1016/j.pop.2005.02.011
Source: PubMed

ABSTRACT The occurrence of chronic sleep deprivation in the population is commonplace. Both duration and quality of sleep are important to assess when evaluating a patient who has sleep complaints. Excessive sleepiness and decreased psychomotor performance have been demonstrated after sleep deprivation. Sleep loss may impact mood, autonomic function, and the immune system. Sleep-deprived adults may have impaired job performance and are prone to motor vehicle accidents. Simple interventions to ensure adequate sleep can help avoid these hazards.

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    ABSTRACT: Chronic sleep deprivation is increasingly common in industrialized societies. Short sleep duration has been associated with a number of negative health outcomes. The objectives of this study were to investigate the association between self-reported sleep duration and the presence of metabolic syndrome (combination of central obesity, triglyceride, high density lipoprotein, blood pressure, fasting plasma glucose) in adults during midlife. The Korean Genomic Rural Cohort (KGRC) is a cohort study of aged 40 to 70 years in rural Korea. This study focuses on the prevalence, incidence, and risk factors for chronic degenerative disorders, such as hypertension, diabetes, osteoporosis, respiratory diseases, and metabolic syndrome. The baseline sample of participants in the KGRC study was recruited in 2005-2006 (phase 1). Respondents were followed until 2008-2009 (phase 2). The final sample included 1,107 subjects: 386 males (34.9%) and 721 females (65.1%). The incidence rate of metabolic syndrome in our sample was 18.4% (21.2% for males and 16.9% for females). Subjects sleeping < 6 hours a day (HR: 1.798; 95% CI: 1.06-3.05) were significantly more likely to experience metabolic syndrome than participants sleeping 6 to 7.9 hours a day after controlling for potential covariates (age, body mass index, menopause, smoking, alcohol and physical activity). Shorter sleep duration was associated with the high incidence of metabolic syndrome among females only. In conclusion, shorter sleep duration may be a significant risk factor for the development of metabolic syndrome in women.
    The Tohoku Journal of Experimental Medicine 11/2011; 225(3):187-93. DOI:10.1620/tjem.225.187 · 1.28 Impact Factor
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    ABSTRACT: Sleep deprivation has been shown to be associated with an increase in inflammation that is also involved in the development of neointimal hyperplasia (or restenosis). The purpose of this study was to investigate whether total sleep deprivation (TSD) would worsen neointimal formation by balloon injury. Sixteen rats were randomly allocated into the following four groups: group 1, balloon angioplasty alone; group 2, TSD prior to angioplasty; group 3, angioplasty before TSD; and group 4, TSD before and after angioplasty. Total sleep deprivation was induced by the disc-over-water method, and balloon angioplasty was performed in the carotid artery. Histopathological analysis and assay of cytokines were applied to evaluate the effects of TSD in this study. Total sleep deprivation significantly increased the ratio of postinjury neointima-to-media area in groups 2, 3 and 4 (all P < 0.01) compared with group 1. Additionally, in all groups with TSD administration the serum level of interleukin 10 was also markedly decreased on day 3 after angioplasty injury (P < 0.05 or P < 0.01). Our findings suggest that perioperative TSD can significantly augment neointimal hyperplasia of the carotid artery in rats, which may be partly caused by a TSD-induced effect in suppressing the serum level of the anti-inflammatory cytokine, interleukin 10.
    Experimental physiology 08/2011; 96(11):1239-47. DOI:10.1113/expphysiol.2011.059246 · 2.87 Impact Factor