Can i take an extra ambien (zolpidem) ? i can't sleep ! :(

Depends,: I believe i may have answered your question else wear as well. Sleeping issues are difficult to manage and if it is around eight hours after the first dose, you can consider a second half dose, but it is not as recommended as finding a different sleep aid. Try melatonin but make sure you take it 2-3 hours prior to wanting to go to sleep (takes that much time to get where it needs to be in brain).

10mg. is maximum: Difficulty with sleep can have many causes. It is important to find out why you can not sleep. A sleep study can differentiate between the many possibilities which include sleep apnea, restless leg syndrome, positional apnea, etc. Consider looking up "sleep hygiene" on line. If those habits are followed consistently & you still can't sleep then ask your md to refer you for a sleep study.