Melatonin
"My psychiatrist recommended that I try 5mg of melatonin instead of other OTC sleep aids. I have anxiety disorder and have trouble not worrying about intruders at night. I took this 30 minutes before bed time and I felt extremely tired within an hour. That was nice. I woke up an hour later from I'm not sure what. Easy to go back to sleep. Then a total of 3 hours later, I woke up gasping for air. From a nightmare a presume, although I couldn't remember the nightmare. I then woke up around 5am from my neighbors in my apartment building. I felt alert but made it back to sleep. I then was not able to wake up the rest of the morning. I couldn't get up to go to work and I still feel tired at noon the next day. Wondering how to move forward."