Symposium
Chairs: M. Morrell (London, United Kingdom), M. Hack (Oxford, United Kingdom)

*Sleepiness versus* apnoea / hypopnoea index - to treat or not to treat** P. Levy (Grenoble, France)
Are psychological therapies useful in the treatment of sleep apnoea syndrome? H. Engleman (Edinburgh, United Kingdom)
The role of pharmacological treatments in sleep apnoea syndrome A. Pack (Philadelphia, United States Of America)
Implications of treatment for commercial drivers M. Hack (Oxford, United Kingdom)