...type medication that is effective for muscle spasms and tightness in muscles. 25 sep 2018 is it ok to use zanaflex for sleep while tapering off xanax? 26 aug 2009 1 answer - posted in: xanax, zanaflex - answer: no it doesnt zanaflex is a short- acting muscle relaxer. 27 dec 2018 zanaflex. 27 may...