Reviewed by Melissa Conrad Stöppler, MD
Take the Sleep Quiz First! Before reading this FAQ, challenge yourself and
Test your Knowledge!
Q:Why do we sleep?
A:Sleep seems to be necessary to ensure proper functioning of the nervous system.
Q:Newborns require a great deal of sleep. True or false?
Q:There are five stages of sleep. True or false?
Q:Sleep deprivation or lack of sleep is associated with a number of health problems. True or false?
Q:Sleep disorders are very common in people with mental disorders. True or false?
Q:Infectious diseases such as the flu make us feel sleepy. True or false?
Q:What is a circadian rhythm?
A:The term "circadian rhythm" refers to changes in physiology, behavior, or mental processes that follow an approximate 24-hour cycle.
Q:What is sleep hygiene?
A:Sleep hygiene is the sum of practices that promote regular, restful sleep.
Q:The primary cause of insomnia is worry. True or false?
Q:People need less sleep as they grow older. True or false?
Q:Which mental illness has the strongest link to insomnia?
A:Depression is the mental disorder most strongly linked to insomnia.
Q:Drowsy driving is similar to driving while drunk. True or false?
Q:What is sleep apnea?
A:Sleep apnea is the temporary interruption of breathing during sleep.
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