Flunarizine should not be taken for insomnia.
Flunarizine is a calcium channel blocker and has no therapeutic effect on insomnia. As a vasodilator can be used for insufficient cerebral blood supply, vertebral artery ischemia, after cerebral thrombosis, can also be used for typical or atypical migraine prophylaxis, and vestibular dysfunction caused by vertigo symptomatic treatment.
Drugs for insomnia mainly include benzodiazepines, such as alprazolam, lorazepam, diazepam, etc.; some antidepressants can also treat insomnia due to their sedative effects, such as mirtazapine, mianserin, trazodone, etc. Barbiturates, such as chloral hydrate, are not routinely used because of their side effects.
There are many medications for insomnia, but they must be used under the guidance of a doctor, do not adjust the dose of the drug on your own, so as not to cause a withdrawal reaction, and should not be used for a long time, so as not to produce dependence.