✔ 最佳答案
Most sleeping problems are probably caused by stress, depression, anxiety and worry.
Sleeping pills can give you bad side effects such as headaches and drowsiness during the day so you are better off without them.
To sleep better just relax and switch off, if you can.
If you are having trouble switching off at bedtime some light exercise (for example, push ups or sit ups) at bedtime often helps you to relax, unwind and switch off and that often improves your sleep. Strenuous exercise at bedtime is likely to ruin your sleep.
Common OTC sleep aids include Chamomile tea, 5-HTP, Melatonin and Valerian Root.
Sleep enhancing foods include warm milk, turkey, cherries, oatmeal, bananas, wine and others as in
http://au.search.yahoo.com/search?p=%22sleep+enhancing+foods%22&fr=ush-ans
You can see further tips in
http://au.search.yahoo.com/search?p=%22how+to+fall+asleep+and+stay+asleep%22&fr=ush-ans which tells you "how to fall asleep and stay asleep".