Hyperaldosteronism/complications; Hypertension/etiology; Hypertension/physiopathology; Kidney Diseases/complications; Sleep Apnea, Obstructive/complications; Sympathetic Nervous System/physiopathology; Adipocytes/cytology; Animals; Body Mass Index; Cells, Cultured; Chronic Disease; Continuous Positive Airway Pressure; Diabetes Mellitus, Type 2/complications; Diabetes Mellitus, Type 2/physiopathology; Endothelium, Vascular/physiopathology; Germany/epidemiology; Glomerular Filtration Rate; Humans; Hyperaldosteronism/epidemiology; Hyperaldosteronism/physiopathology; Hypertension/classification; Hypertension/therapy; Hypertension, Renal/etiology; Incidence; Kidney Diseases/epidemiology; Kidney Diseases/physiopathology; Metabolic Syndrome/complications; Overweight; Prevalence; Randomized Controlled Trials as Topic; Renal Insufficiency/complications; Renal Insufficiency/physiopathology; Renin-Angiotensin System/physiology; Risk Factors; Sleep Apnea, Obstructive/epidemiology; Sleep Apnea, Obstructive/physiopathology; Sleep Apnea, Obstructive/therapy; Time Factors