Conclusions: In regular highway drivers, sleepiness at the wheel or sleep disorders such as hypersomnia and narcolepsy are responsible for traffic accidents independent of age, sex, marital status or socio-professional categories. ?? 2010 Elsevier B.V.Validation of the Mayo Sleep Questionnaire to screen for REM sleep behavior disorder in an aging and dementia cohortVolume 12, Issue 5, May 2011, Pa