The National Commission on Sleep Disorders Research identified excessive daytime sleepiness (EDS) as a public health problem. Although clinical information about its determinants, morbidity, and significance is emerging, little population-based information about the prevalence, consequences and risk factor's of EDS exists. The research plan of the NIH Center on Sleep Disorders Research calls for """"""""epidemiological research to define the prevalence, etiology, risk factors, morbidity, and costs of EDS in the general population."""""""" This application directly addresses these needs. The limited epidemiological studies of determinants and correlates of sleepiness suggest some findings that are consistent with the laboratory data (e.g. snoring), but some that are inconsistent with the laboratory data (eg. depression). Understanding discrepancies between laboratory and epidemiological data is important to public health and safety. Sleepiness is serious and life-threatening, due to both its direct consequences (i.e., automobile crashes and industrial accidents) and its associated diseases (i.e., obstructive sleep apnea or depression). This proposal links sleep laboratory methods and research information on daytime sleepiness to the rigorous sampling, field assessment, and recruitment methods of epidemiology research. Thereby, it builds on the strengths and minimizes the weaknesses of each method (e.g., potential biases of clinical samples and errors in self- reports of,surveys) to assess the prevalence, consequences, and risk factors of sleepiness. The goals of the study are to estimate the prevalence of EDS in the general population, as assessed by the MSLT, to relate MSLT-defined daytime sleepiness to laboratory performance and automobile crashes, and to identify risk factors for EDS. Toward these goals, the research design is composed of two components: 1) a random digit dial, computer assisted telephone survey (n = 3,270) and 2) a laboratory based evaluation (n = 872). The telephone survey will define the frame from which a representative sample of subjects will be selected for laboratory study. Additionally, the survey will collect data on sleep habits, self-report measures of daytime sleepiness, and suspected risk factors. Subsets of the survey sample will be recruited to the laboratory to measure daytime sleepiness, using the MSLT, physical characteristics predictive of EDS, and performance on psychomotor tests. The important contribution of the present proposal is that it will be the first population-based study to use laboratory assessments, its consequences and risks to measure sleepiness.

Agency
National Institute of Health (NIH)
Institute
National Institute of Mental Health (NIMH)
Type
Research Project (R01)
Project #
5R01MH059338-05
Application #
6625416
Study Section
Special Emphasis Panel (ZRG1-BDCN-6 (01))
Program Officer
Colpe, Lisa J
Project Start
1998-12-15
Project End
2004-11-30
Budget Start
2002-12-01
Budget End
2004-11-30
Support Year
5
Fiscal Year
2003
Total Cost
$372,081
Indirect Cost
Name
Henry Ford Health System
Department
Administration
Type
Schools of Medicine
DUNS #
073134603
City
Detroit
State
MI
Country
United States
Zip Code
48202
Budhiraja, Rohit; Roth, Thomas; Hudgel, David W et al. (2011) Prevalence and polysomnographic correlates of insomnia comorbid with medical disorders. Sleep 34:859-67
Stroe, Alice F; Roth, Thomas; Jefferson, Catherine et al. (2010) Comparative levels of excessive daytime sleepiness in common medical disorders. Sleep Med 11:890-6
Singh, Meeta; Drake, Christopher L; Roth, Thomas (2006) The prevalence of multiple sleep-onset REM periods in a population-based sample. Sleep 29:890-5
Roehrs, Timothy; Hyde, Maren; Blaisdell, Brandi et al. (2006) Sleep loss and REM sleep loss are hyperalgesic. Sleep 29:145-51
Roehrs, Timothy; Kapke, Alissa; Roth, Thomas et al. (2006) Sex differences in the polysomnographic sleep of young adults: a community-based study. Sleep Med 7:49-53
Roehrs, Timothy; Roth, Thomas (2005) Sleep and pain: interaction of two vital functions. Semin Neurol 25:106-16
Roehrs, Timothy; Greenwald, Mark; Roth, Thomas (2004) Risk-taking behavior: effects of ethanol, caffeine, and basal sleepiness. Sleep 27:887-93
Roehrs, Timothy; Roth, Thomas (2004) 'Hypnotic' prescription patterns in a large managed-care population. Sleep Med 5:463-6
Roehrs, Timothy; Roth, Thomas (2003) Hypnotics: an update. Curr Neurol Neurosci Rep 3:181-4
Roehrs, Timothy; Hollebeek, Emily; Drake, Christopher et al. (2002) Substance use for insomnia in Metropolitan Detroit. J Psychosom Res 53:571-6

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