Sleep quiz

Think you've learned the key to a good night's sleep? Find out how much you really know by taking this quick quiz. Select the best answer to each of the following questions. When you're finished, click the submit button.

1 . Nightly leg cramps affect _________ percent of people over 50?       A.  20     B.  35     C.  75     D.  90   2 . Which of the following helps reduce the frequency and severity of nocturnal leg cramps?       A.  Sleeping on your back     B.  Sleeping with loose blankets     C.  Making sure your feet do not hang over the edge of the bed     D.  all of the above   3 . Fatigue may be caused by       A.  anemia.     B.  diabetes.     C.  hypoglycemia.     D.  all of the above.   4 . If you have trouble falling asleep, at what time should you stop consuming caffeine (found in coffee, tea, chocolate and many types of soda) each day?       A.  1 p.m.     B.  3 p.m.     C.  6 p.m.     D.  9 p.m.   5 . About how many Americans suffer from sleep disorders?       A.  15 million     B.  30 million     C.  50 million     D.  70 million   6 . Sleep disorders may cause       A.  fatigue.     B.  depression.     C.  memory loss.     D.  all of the above.