He identified the pathways that regulated wakefulness and sleep onset by studying the parts of the brain that were affected by the disease and the consequences it had on the circadian rhythm.
jeopardize definition, meaning, what is jeopardize: to put something such as a plan or system in danger of being harmed or damaged: . Learn more.
The definition of sadistic is deriving pleasure from humiliating or causing physical or psychological pain to others. A person who likes to whip his lover and make her feel embarrassed is an example of someone who is sadistic. sadistic. Delighting in or feeling pleasure from the pain of others.