"i have been taking ambien for 5 years. my doctor sent me to sleep therapy. i have a mild case of apnea. i could not stand the machine so she just prescribed trazodone. i took 100mg first night. could not function next day and woke every 2 hours. took 50mg last night and am better today and was awake every 2 hours but could fall back to sleep. i am going to try 25mg tonight."