Ambien is the brand name of zolpidem, and it is a medication that is the short term use for the treatment of sleeping problems. You can use this medicine only after counseling a doctor and after understanding behavioral changes. Ambien medicine decreases 15 minutes of sleep onset, and larger doses help people to sleep longer. You can take Zolpidem Ambien by mouth and is available in sublingual tablets as well as an oral spray. The common side effects of Ambien medication include headache, nausea, daytime sleepiness, and diarrhea, and severe side effects include hallucinations, memory problems, and abuse. You can decrease the recommended dose because of day-after impairment.