Inclusion Criteria:  The patient must have given their free and informed consent The patient must be a member or beneficiary of a health insurance plan Patient must understand and read French Patient with ICSD-3 diagnostic criteria for chronic insomnia: ISI score > 14/28.  Exclusion Criteria:  Patient with cognitive impairment as assessed by the investigator Patient with shift work Patients scoring > 10/24 on the Epworth sleepiness scale Patient suffering from medical or psychiatric illnesses which may, in the opinion of the investigator, compromise the subject's state of health or ability to participate in the study. Patient with chronic alcohol consumption or drug abuse Patient unable to express consent. Pregnant, parturient or breastfeeding patient. The subject is participating in a category 1 interventional study, or is in a period of exclusion determined by a previous study It is impossible to give the subject informed information The patient is under safeguard of justice or state guardianship