Wakefulness Disorder

This is a 36-month, multicentric, cross-sectional study involving a paediatric population aged 6 to 17 years. Three groups will be included: Group A: children from the general population with no complaints of sleepiness; Group B: children with a sleep disorder or excessive sleepiness associated with a medical condition (narcolepsy, circadian rhythm sleep disorder (CRSD), non-REM parasomnias, attention deficit disorder with or without hyperactivity (ADHD), autism spectrum disorder (ASD) or obesity); Group C: healthy volunteers with no medical conditions or sleep-related complaints.