SLEEP DISTURBANCES AMONG PATIENTS WITH BIPOLAR AFFECTIVE DISORDER IN THE CURRENT DEPRESSIVE EPISODE ASSESSED BY THE SLEEP-50 SCALE AT THE NATIONAL INSTITUTE OF MENTAL HEALTH, BACH MAI HOSPITAL. YHCĐ 2026, 67 (CĐ5-NCKH). https://doi.org/10.52163/yhc.v67iCD5.5021.