After reviewing the research literature on nightly sleep reduction and trying it himself, the author of your text, concluded that
A) most people need at least 8 hours of sleep per night.
B) many people can reduce their sleep to about 5.5 hours per night with no serious adverse effects other than daytime sleepiness when they are sedentary.
C) there is no need to sleep, and there are no negative consequences of sleep reduction.
D) sleep is primarily recuperative, and we should always get as much sleep as we can, especially if a doctor tells us to.
E) all people should sleep 5.5 hours per night.
Answer: B
You might also like to view...
Contact comfort is pleasurable _____ sensations
a. auditory b. visual c. olfactory d. tactile
Maslow's hierarchy of needs suggests that:
A. biological needs must be satisfied before personal and social needs B. regardless of the status of basic needs, the needs for sex and aggression must be fulfilled first C. unless self-actualization has occurred, basic needs are meaningless D. rewards and punishment are the keys to achieving personal satisfaction and happiness
Substances capable of causing birth defects are known as
a. carcinogens. b. teratogens. c. chorions. d. antigens.
Low levels of leptin lead to
A. fasting behavior, increased sympathetic nervous system activity, and the activation of TSH and ACTH. B. feeding behavior, increased parasympathetic nervous system activity, and the suppression of TSH and ACTH. C. fasting behavior, increased parasympathetic nervous system activity, and the suppression of TSH and ACTH. D. feeding behavior, increased sympathetic nervous system activity, and the activation of TSH and ACTH.