Opposite is etymologically related to Oppose. Opposite is a synonym of Reverse. Reverse is a type of Side. Side is a type of Line. 
Sleep is part of Life. Sleep is related to Closed. 
Oppose <--EtymologicallyRelatedTo-- Opposite <--Synonym--> Reverse --IsA--> Side --IsA--> Line 
Life <--PartOf-- Sleep <--RelatedTo--> Closed 