Melatonin can be given temporarily as a supplement to improve sleep along with a course of homeopathic melatonin (see below). It should never be used long-term however; it is a hormone and can have a disruptive effect in the wider endocrine system. A better solution to sleep issues is to improve the melatonin metabolism by moderating the use of sugar/carbohydrates, sleeping in a dark room and by improving the day-night rhythm. Those who work night shifts should sleep in a very darkened room and use earplugs. About Melatonin Melatonin is a hormone made by the pineal gland. Melatonin has been used as a treatment for a number of conditions, including jet-lag, seasonal affective disorder (SAD), depression and cancer. When side-effects from melatonin do occur (which is common, even at doses that are significantly less than the recommended amount), they may include: - increase in blood pressure; - fatigue; - depression; - problems with fertility. About Homeopathi...