An entire group of animals or people belonging to a particular category is called a

People with ______ have difficulty falling asleep or remaining asleep, or achieving

restorative sleep. a. insomnia disorder c. cataplexy b. narcolepsy d. primary hypersomnia

A psychological disorder in childhood and adolescence characterized by disruptive, antisocial

behavior is known as ______. a. attention-deficit disorder c. conduct disorder b. oppositional defiant disorder d. dyslexia