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Hafidz Putrama Manurung; M. Fakhri Akhdan Andila; Mochammad Rafa Aqilah Damanik; Nicole Anayya Reinkens; Zahratussyita Muhammad; Fayaddah. THE EFFECTS OF SLEEP PATTERNS ON BLOOD PRESSURE STUDENTS OF AL-AZHAR SUPERIOR HIGH SCHOOL MEDAN. BESTI 2026, 4, 2449-2457.