Thorax 59:618-622 doi:10.1136/thx.2003.015867
  • Review series

Sleep · 4: Sleepiness, cognitive function, and quality of life in obstructive sleep apnoea/hypopnoea syndrome

  1. H M Engleman,
  2. N J Douglas
  1. Edinburgh Sleep Centre, Unit of Respiratory Medicine, University of Edinburgh, UK
  1. Correspondence to:
    Dr H M Engleman
    Edinburgh Sleep Centre, Royal Infirmary of Edinburgh, Lauriston Place, Edinburgh EH3 9YW, UK;


    Sleepiness, cognitive performance, and quality of life are overlapping aspects of daytime function that may be affected in patients with obstructive sleep apnoea/hypopnoea syndrome. The evidence is compatible with hypotheses that these deficits are reversible with treatment, particularly for patients with severe disease.