 [ Symptoms ] what medication helps to sleep  i have bipolar schizophrenia and ptsd i have trouble sleeping i am tired of these anti psychotic meds making me gain weight what are some good medications that will make me relax and fall asleep quickly [ Disease ] seroquel and lamictal are both used for schizophrenia and bipolar and have a smaller weight gain potential than many of the other atypical antipsychotics over the counter melatonin or benadryl can sometimes help a person fall asleep if that does not work for you hypnotic sedatives like ambien and lunesta can be effective however these are short term alternatives and eventually you will have to resolve whatever is causing you to not sleep good luck