"been taking buspirone on and off for 15 years, for insomnia, anxiety, and symptoms of post traumatic stress disorder.  sleep is my #1 issue (or lack thereof).  very effective for insomnia almost immediately upon starting it (after a period of not taking it). i sleep easier within the first day or two.  within a week i get to sleep easier and more soundly.  ironically i&#039;ve always had the side-effect of vivid memorable dreams.  doesn&#039;t seem to increase bad dreams though, just makes them more memorable.  no other side effects.  i have, depending on the stress in my life or other medicines being taken, generally been on 5mg/day to 20mg/day, with good results.  at 30mg/day i feel dopey. prefer to take doses later in the day, not first thing in the morning."