Zolpidem is labelled for short-term (usually about two to six weeks) treatment of insomnia at the lowest possible dose. It may be used for both improving sleep onset and staying asleep. When taken at recreational doses, it reportedly produces powerful and notoriously bizarre atypical hallucinogenic, dissociative, deliriant and even psychedelic effects.
Zolpidem should not be taken on a full stomach and it is recommended on a short-term basis only. A lower-dose version (3.5 mg for men and 1.75 mg for women) is given as a tablet under the tongue and used for middle-of-the night awakenings. It can be taken if there are at least 4 hours between the time of administration and when the person must be awake.