Multiple Choice
Which of the following statements about REM sleep in infancy is true?
99
views
5. Consciousness and Sleep
Sleep
Multiple Choice
Which of the following statements are true about the sleep cycle.
I. The sleep cycle refers to the 24-hour cycle of sleeping and waking.
II. On average, people go through 4-6 cycles per night.
III. The sleep cycle has two general phases.
A
I & II.
B
II & III.
C
I & III.
D
I, II, & III
Verified step by step guidance1
Step 1: Understand the concept of the sleep cycle. The sleep cycle is not a 24-hour cycle; it refers to the stages of sleep that repeat several times during a night's sleep.
Step 2: Evaluate statement I. The sleep cycle does not refer to the 24-hour cycle of sleeping and waking. This is a description of the circadian rhythm, not the sleep cycle.
Step 3: Evaluate statement II. On average, people do go through 4-6 sleep cycles per night, each lasting about 90 minutes.
Step 4: Evaluate statement III. The sleep cycle has two general phases: Non-REM (NREM) and REM (Rapid Eye Movement) sleep.
Step 5: Determine which statements are true based on the evaluations. Statements II and III are true, while statement I is false.
Related Videos
Related Practice
