Measurement of the effect of sodium oxybate on fatigue with questionnaires. before treatment (baseline evaluation) [clinicaltrials_resource:2062e6203b9bb149fa23b6fccfa88d73]

Questionnaires: Visual Analog Scale (VAS), fatigue severity scale (FSS) and checklist individual strength (CIS).

Measurement of the effect of sodium oxybate on fatigue with questionnaires. before treatment (baseline evaluation) [clinicaltrials_resource:2062e6203b9bb149fa23b6fccfa88d73]

Questionnaires: Visual Analog Scale (VAS), fatigue severity scale (FSS) and checklist individual strength (CIS).