If you have insomnia, your doctor may prescribe some hypnotic and sedative pills that will make you fall into a deep sleep. But on the other side, these pills may produce serious side effects and health problems for some of these pills' users. So, through this topic we will highlight the most significant over-the-counter medications that can be used safely for treatment of insomnia with minimal side effects for its administration.
1.    Melatonin: our brain naturally makes melatonin hormone which regulate our circadian rhythm (sleep-wake cycle). So synthetic melatonin supplements seem to be an effective and safe option to eliminate insomnia. Administration of melatonin isn't linked to serious side effects, but some medical studies showed that it rarely cause some mild side effects, such as; headache, dizziness, nausea, confusion and irregular sleep.
2.    Antihistamines: these medications are mainly used as anti-allergic drugs, but it has a safe sedative effect on the central nervous system, so it can make you sleepy. It's important to follow instructions related to dosage, as overdose may result in some mild side effects, such as; dizziness, headache, dry mouth, nausea and constipation.
3.    Valerian root: it's herbal supplement that acts on the central nervous system to make you feel drowsy.