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serotonin → CapableOf → affect sleep	0.55
dopamine → CapableOf → affect sleep	0.48
depression → CapableOf → affect sleep	0.45
symptom → CapableOf → affect sleep	0.38
caffeine → CapableOf → affect sleep	0.38
stress → CapableOf → affect sleep	0.37
melatonin → CapableOf → affect sleep	0.36
eating → CapableOf → affect sleep	0.34
chemical → CapableOf → affect sleep	0.34
vitamin d → CapableOf → affect sleep	0.31
lack → CapableOf → affect sleep	0.30
menopause → CapableOf → affect sleep	0.25
diabetes → CapableOf → affect sleep	0.24
bipolar disorder → CapableOf → affect sleep	0.19
concussion → CapableOf → affect sleep	0.16
digestion → CapableOf → affect sleep	0.16
body (aspect of dog) → CapableOf → affect sleep	0.16