ALB and Sleep disturbance: Conversely, lower Alb (OR = 0.827, 95% CI: 0.743–0.921, P = 0.001) and 10*Ca2+ levels (OR = 0.731, 95% CI: 0.607–0.880, P = 0.001) were associated with an increased risk of sleep disturbance in MHD patients.