Inclusion criteria:  men and women, more than 16 years old diagnosed with a chronic sleep disorder including : Narcolepsy type 1, type 2, idiopathic hypersomnia, restless legs syndrome (diagnosis according to international criteria, ICSD-3, AASM, 2014). followed at Monpellier Sleep Disorders Unit.  Exclusion criteria:  - less than 16 years old at time of the study