A sleep disorder characterized by difficulty in falling asleep or remaining asleep throughout the night is

A) zombulism.
B) cataplexy.
C) narcolepsy.
D) insomnia.

Answer: D
Rationale: The most widely recognized sleeping problem is insomnia (which literally means lack of sleep). It can involve difficulty falling asleep, returning to sleep, or waking too early.

Psychology

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What field investigates the relation between stress and immune function?

a. psychoneuroimmunology b. immunosuppression studies c. neuromodulation d. somatosensory science

Psychology

Raven's Matrices were developed to improve on which issue with intelligence tests?

a. Cross-cultural barriers b. Inconsistency of scores with retesting c. The time needed to complete a test d. Comparisons of old versus young people

Psychology