1 dosage sort of zolpidem (Intermezzo) should only be taken by people who awaken in the middle of the night with a lot more than 4 hrs of sleep remaining; tend not to take it For those who have below four hours of sleep remaining. Other sorts of zolpidem (Ambien, Edluar, Zolpimist, Ambien CR) should really only be taken if there are seven to eight