AP Psychology Sleep Terms Quiz

What is the term for the natural, 24-hour cycle of sleep and wakefulness?

• sleep cycle

• circadian rhythm

• biological clock

• day-night rhythm

During which stage of sleep do vivid dreams commonly occur?

• Stage 2

• NREM

• REM

• Stage 1

What type of brain waves are present during relaxed wakefulness?

• Alpha waves

• Delta waves

• Beta waves

• Gamma waves

Which stage of sleep is characterized by the absence of rapid eye movements?

• Stage 2 sleep

• Stage 1 sleep

• NREM sleep

• REM sleep

What term refers to sensory experiences that occur without a sensory stimulus?

• delusion

• illusion

• perception

• hallucination

What are the sensations of falling or floating that are sometimes experienced during the transition from wakefulness to sleep?

• Night terrors

• Sleep paralysis

• Sleepwalking

• Hypnagogic or hypnopompic sensations

Which type of brain waves are associated with deep sleep?

• Gamma waves

• Alpha waves

• Beta waves

• Delta waves

What is the small region of the brain that controls the timing of sleep and wakefulness?

• Cerebellum

• Amygdala

• Suprachiasmatic nucleus (SCN)

• Hippocampus

What is the term for the persistent inability to fall asleep or stay asleep?

• insomnia

• sleep apnea

• restless leg syndrome

• narcolepsy

What sleep disorder is characterized by sudden and uncontrollable episodes of sleep during the day?

• Narcolepsy

• Restless leg syndrome

• Insomnia

• Sleep apnea