Inclusion criteria :  Patients:  been diagnosed with BD according to the Diagnostic and Statistical Manual of Mental Disorders - 4th edition (DSM-IV) diagnostic criteria using the Mini International Neuropsychiatric Interview (MINI) currently euthymic for at least 3 months prior to the study, as defined by a score below 10 on the Montgomery-Asberg Depression Rating Scale (MADRS) which assesses depression and by a score below 8 on the Young Mania Rating Scale (YMRS) which assesses mania age 18 or more  Healthy volunteers:  not suffer from a personal psychiatric pathology verified with the MINI age 18 or more  Exclusion criteria for all participants (patients and healthy volunteers):  suffer from psychiatric pathology or substance use disorders according to DSM-IV criteria measured with the MINI, excluding BD for the patient group suffer from neurological or retinal pathology having a shift work or a get-lag in the last 15 days criteria incompatible with the use of the virtual reality headset (Retinaute®,BioSerenity) like having an allergy to one of the components of the textile persons treated by sismotherapy during the past year persons with an uncorrected visual impairment or disabling hearing impairment that does not allow neuropsychological tests to be performed subjects with an intellectual disability making it difficult to participate in the study or to understand and follow informations provided to them adults legally protected pregnant or breastfeeding women subjects already participating in another interventional trial