changes such as no-smoking, no caffeine, no daytime naps, or getting more light during the day. other natural or best sleep aids are changing to a healthier diet and starting an exercise program. but, if making these changes to try to reduce problems with sleep do not help then you should visit a doctor to make sure there are no medical reasons for the insomnia; then there are other sleep aids that a person can consider using.
the best way to fall asleep is naturally with correction of bad sleep habits. 