SimilarityRank
drowsiness 0.820 32853
sleepiness 0.816 39645
alertness 0.814 29383
restlessness 0.787 35325
unconsciousness 0.784 43072
melatonin 0.773 27894
sleep 0.770 1323
drowsy 0.763 38464
excitability 0.759 87261
wakeful 0.754 82690
sleeplessness 0.752 49493
insomnia 0.739 13512
stupor 0.735 48804
awakenings 0.732 91522
delirium 0.730 41697
psychomotor 0.728 98903
disorientation 0.728 51531
arousal 0.728 21553
lethargy 0.728 36089
hallucinations 0.727 27406
fitful 0.724 83057
dizziness 0.724 17560
narcolepsy 0.723 58635
quieting 0.723 80152
Melatonin 0.721 55486