Sleep

The sleep stages repeat every _______________.

• 90 minutes

• 24 hours

• hour

• 30 minutes

The pattern of physical and behavioral changes that follows a 24 hour cycle, in accordance with the hours of light and darkness.

• REM

• Sleep debt

• circadian rhythm

• ample sleep

The human sleep cycle repeats itself about every

• 30 minutes.

• 90 minutes.

•  2 1/2 hours. 

• 4 hours.

What are the physical, mental, and behavioral changes that follows an approximate 24-hour cycle known as?

• Consciousness

• Circadian Rhythm

• Lucid Dreaming

• Sleep Deprivation

REM stands for

• Rapid eye movement

• Rapid eye motion

• Rage eye movement

• Random eye movement

Spans from lighter stages to a much deeper, more restful kind of sleep; the person’s body is free to move around in this stage.

• Non-REM Sleep

• Rapid Eye Movement (REM) Sleep

What is the primary hormone responsible for regulating sleep-wake cycles?

• Melatonin

• Cortisol

• Adrenaline

• Insulin

Which stage of sleep is most associated with vivid dreaming?

• Stage 1

• Stage 2

• REM Sleep

• Stage 4

What is the term for the internal body clock that regulates the sleep-wake cycle?

• Circadian Rhythm

• Biological Clock

• Sleep Cycle

• REM Cycle

Which of the following is a common effect of sleep deprivation?

• Increased alertness

• Improved memory

• Impaired judgment

• Enhanced creativity