Associations were found between difficulty initiating and maintaining sleep as well as IL-12p70 (rs = 0.3, p = 0.03) and IL-1b (rs = 0.4, p = 0.01); disorders of excessive sleepiness and TNF-a (rs = 0.3, p = 0.02), IL-6 (rs = 0.3, p = 0.03), e IL-17A (rs = 0.3, p = 0.04), and disorders of arousal with IL-6 (rs = 0.3, p = 0.04).