Which of the following best describes the stability of sleep cycles?
A. They are innate so they cannot be modified.
B. They are innate but can be modified in times of emergency.
C. They are entirely learned but are difficult to modify.
D. They are entirely learned and, thus, may be easily modified.
Answer:B
Which of the following best describes the stability of sleep cycles?
A. They are innate so they cannot be modified. B. They are innate but can be modified in times of emergency. C. They are entirely learned but are difficult to modify. D. They are entirely learned and, thus, may be easily modified.