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Sleep and Breathing

, Volume 14, Issue 1, pp 63–70 | Cite as

Prevalence and impact of sleep disorders and sleep habits in the United States

  • Saravanan RamEmail author
  • Hazem Seirawan
  • Satish K. S. Kumar
  • Glenn T. Clark
Original Article

Abstract

Purpose

Epidemiologic studies on sleep disorders in the USA have mostly focused on specific disorders in specific groups of individuals. Most studies on sleep habits and sleep-related difficulties have focused on children and adolescents. The authors describe the prevalence of the three common physician-diagnosed sleep disorders (insomnia, sleep apnea, and restless legs syndrome (RLS)) by age, gender, and race in the US population. In addition, the authors describe the sleep habits and sleep-related difficulties in carrying routine daily activities. The authors also investigate the impact of the sleep disorders on performing routine daily activities.

Methods

Data from the 2005–2006 National Health and Nutrition Examination Survey for 6,139 individuals over the age of 16 was analyzed for sleep-related parameters.

Results

The prevalence was highest for sleep apnea (4.2%), followed by insomnia (1.2%) and RLS (0.4%). Hispanics and Whites reported longer sleep duration than Blacks by 24 to 30 min. The predominant sleep habits were snoring while sleeping (48%), feeling unrested during the day (26.5%), and not getting enough sleep (26%). Difficulty concentrating (25%) or remembering (18%) were the main sleep-related difficulties in our sample. Insomnia, sleep apnea, and RLS had the highest impact on concentration and memory.

Conclusions

Our findings suggest that the prevalence of sleep disorders in the USA is much lower than previously reported in the literature suggesting under diagnosis of sleep disorders by primary care physicians.

Keywords

NHANES Epidemiology Sleep Sleep apnea Insomnia Restless legs syndrome Sleep habits 

Notes

Conflict of interest statement

None of the authors have a conflict of interest to declare in relation to this work.

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Copyright information

© Springer-Verlag 2009

Authors and Affiliations

  • Saravanan Ram
    • 1
    Email author
  • Hazem Seirawan
    • 2
  • Satish K. S. Kumar
    • 1
  • Glenn T. Clark
    • 1
  1. 1.Division of Diagnostic Sciences, Orofacial Pain and Oral Medicine CenterUSC School of DentistryLos AngelesUSA
  2. 2.Division of Health Promotion, Disease Prevention, and EpidemiologyUSC School of DentistryLos AngelesUSA

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