True False 3. The ability to sleep rather than the need for sleep appears to decrease with advancing age. True False 4. Common causes of insomnia can include jet lag, worry, hyperthyroidism, stress, environmental noise, and withdrawal of medications. True False 5.
Insomnia is the most common sleep disorder.
True False 6. True False 7. Going to bed at the same time every night, even if you are not tired, is a good way to alleviate insomnia. True False 8. True False 9.