Lifestyle factors play an important role in a persons health and modifications are commonly recommended by acupuncturists. There are a number of techniques available for a person to integrate into their lives to gradually resolve sleeping issues. Lifestyle-wise, they involve reducing or eliminating your intake of alcohol and/or caffeine (especially later in the evening), exercising daily, avoid working/thinking about heavier matters late into the evening, and incorporating relaxation techniques such as Yoga, Tai Chi and Meditation into your life.
The "Wellness Book" by Herbert Benson has a comprehensive chapter on Insomnia. Their text contains an extensive selection of techniques to alleviate sleeping problems that have proven successful in clinical practice.