State dependent excitability changes of spinal flexor reflex in patients with restless legs syndrome secondary to chronic renal failure State dependent excitability changes of spinal flexor reflex in patients with restless legs syndrome secondary to chronic renal failure Download Sleep-disordered breathing, sleepiness, and insulin resistance: is the latter a consequence, a pathogenetic factor, or both? The role of obesity in the increased prevalence of obstructive sleep apnea syndrome in patients with polycystic ovarian syndrome