"about 6 months with lunseta at first it put me to sleep quickly but i would still wake up approximately 3 to 4 hrs later. i also am an occasional sleep walker, my dr would not even consider ambien. sonato 10 did zilch for me. unfortunately i have done sleep cooking on lunesta with no memory. almost a fire though. now lunesta barely puts me out even after taking time off last month because of cost. sad and desperate for sleep!"