%0 Journal Article %T Focus: Clocks and Cycles: Refractory Insomnia in an Adolescent with Total Blindness %A Andrew S. Tubbs %A Daniel Combs %A Michael A. Grandner %J Archive of "The Yale Journal of Biology and Medicine". %D 2019 %X We present a totally blind adolescent with refractory insomnia due to a combination of Non-24 hour sleep-wake disorder and restless leg syndrome that was successfully treated with tasimelteon, iron replacement, and gabapentin. To our knowledge, this is the first published report of treatment of N24 with tasimelteon in an adolescent. In addition, this case highlights the importance of recognizing and treating multifactorial causes of insomnia %K tasimelteon %K non-24 hour sleep-wake disorder %K adolescent %K insomnia %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6585511/