Tibb-based lifestyle education and sleep and blood pressure changes among university employees with hypertension: A single-group pretest–posttest study Tibb-Based Sleep Lifestyle Education for Sleep Quality and Blood Pressure Control

Abstract

Poor sleep may contribute to inadequate blood pressure control. This preliminary single-group pretest–posttest study examined within-participant changes after a four-week multicomponent Tibb-based lifestyle education program emphasizing sleep–wake regulation. Twenty-nine employees with hypertension from one Indonesian Islamic university completed paired assessments. Sleep-related characteristics were assessed using the seven-item Kuesioner Kualitas Tidur (KKT), and clinic blood pressure was measured using an Omron HEM-8712 monitor. The median KKT score increased from 16 (IQR 15–17) to 21 (IQR 21–22), with a median paired change of +5 points (IQR 3–6; Wilcoxon W = 4.0; p < 0.001; rank-biserial correlation = 0.98). Mean SBP was lower at follow-up (130.00 ± 7.91 vs 142.83 ± 15.05 mmHg; paired difference −12.83 mmHg; 95% CI −16.32 to −9.33; p < 0.001; Cohen’s d_z = −1.40), and DBP was also lower (86.07 ± 6.45 vs 96.14 ± 10.86 mmHg; paired difference −10.07 mmHg; 95% CI −13.13 to −7.00; p < 0.001; Cohen’s d_z = −1.25). Favorable within-participant changes were observed. However, the uncontrolled design, medication-related confounding, single blood-pressure readings, and incomplete validation of the KKT preclude causal or definitive effectiveness conclusions.