Bright Light Therapy During Inpatient Cocaine Detoxification

Inclusion Criteria: * Male or female, 18 years of age or older * DSM-5 criteria for cocaine use disorder * Positive urine screen for cocaine * Hospitalization for supervised cocaine detoxification planned within the four upcoming weeks * The patients must be insured or beneficiary of a health insurance plan * Signed and dated informed consent document(s) indicating that the subject has been informed of all pertinent aspects of the trial Exclusion Criteria: * Non-stabilized opioid use disorder or other psychostimulant use disorder (e.g., amphetamine, met-amphetamine, cathinones, methylphenidate…) * Non-stabilized psychiatric disorder or somatic disease, which is considered incompatible with inclusion by the investigator * Current treatment with methylphenidate, modafinil, solriamfetol, melatonin pitolisant, naltrexone, or bupropion. * Contraindication to light therapy: retinopathy, pigmentary retinitis, diabetic retinopathy, macular degeneration, glaucoma, recent (i.e., less than three month) eye surgery. (If there is any doubt about an ophthalmological contraindication, a specialist opinion will be requested) * Tutorship * Pregnant or breastfeeding women: the performance of a pregnancy test before inclusion for women of childbearing age * Persons deprived of their liberty by a judicial or administrative decision * Persons participating in other research with an exclusion period still in progress at pre-inclusion