Impaired health status, daily functioning, and work productivity in adults with excessive sleepiness

J Occup Environ Med. 2010 Feb;52(2):144-9. doi: 10.1097/JOM.0b013e3181c99505.


Objective: This study evaluated the effects of excessive sleepiness (ES) on health status, daily functioning, and work productivity.

Methods: From a survey performed in June to July 2006, people with or without ES in two groups (1758 with obstructive sleep apnea, depression, narcolepsy, multiple sclerosis, or shift work; 1977 without these conditions) were assessed on the Work Productivity and the Activity Impairment Scale, Short Form-12, Medical Outcomes study 6-item Cognitive Function Scale, and the Toronto Hospital Alertness Test.

Results: ES in both groups was associated with highly significant impairments in health status, daily activities, and work productivity for all measures (P < 0.0001), except for absenteeism (P = 0.0400 for group A, P = 0.8360 for group B).

Conclusions: ES may have an incremental negative impact measurable above that of obstructive sleep apnea, multiple sclerosis, narcolepsy, depression, or shift work.

Publication types

  • Research Support, Non-U.S. Gov't

MeSH terms

  • Absenteeism
  • Activities of Daily Living / psychology
  • Chi-Square Distribution
  • Cognition
  • Confidence Intervals
  • Depressive Disorder / epidemiology
  • Depressive Disorder / psychology
  • Dyssomnias / epidemiology
  • Dyssomnias / psychology*
  • Efficiency*
  • Employment / psychology
  • Female
  • Health Status*
  • Health Surveys
  • Humans
  • Male
  • Middle Aged
  • Multiple Sclerosis / epidemiology
  • Multiple Sclerosis / psychology
  • Narcolepsy / epidemiology
  • Narcolepsy / psychology
  • Psychological Tests
  • Quality of Life / psychology
  • Sleep Apnea, Obstructive / epidemiology
  • Sleep Apnea, Obstructive / psychology
  • United States / epidemiology
  • Work Schedule Tolerance / psychology