Efficacy of prolonged release melatonin in insomnia patients aged 55-80 years

Efficacy of prolonged release melatonin in... [Curr Med Res Opin. 2007] - PubMed - NCBI: PR-melatonin results in significant and clinically meaningful improvements in sleep quality, morning alertness, sleep onset latency and quality of life in primary insomnia patients aged 55 years and over.