I Recently Developed Insomnia. Melatonin Does Not Help, 20 Mg.

I recently developed insomnia. Melatonin does not help, 20 mg. went to pharmacy got 50 mg Zquil knocks me out but feel like hit by atruck in morning. I was treated for Hep C 8 years ago ,Pegasus interferon. recently retested 0 viral count. When discovery of Hep c there was secondary condition ,Chryoglobulinanemia. I have a lot of numbness and neuropathy in my extremitys, and a lot of little sores mostly on chest, legs, hairline and scalp. it has been 3 wks since sleeplessness started ,2 days since started zquil. Any ideas?