How it works: Melatonin is a hormone naturally produced by the pineal gland in response to darkness. It helps regulate the body's sleep-wake cycle.
Dosage: Typically, 0.5 to 5 mg about 30 minutes before bedtime. However, the right dosage can vary, so it's essential to consult with a healthcare professional.
Pros: Widely researched and found effective for many people, especially for jet lag or those with disrupted sleep-wake cycles.
Cons: Overuse or incorrect dosage might disrupt natural sleep-wake cycles. Some users report vivid dreams or nightmares.