 <s>[INST] Always assist with care, respect, and truth. Respond with utmost utility yet securely. Avoid harmful, unethical, prejudiced, or negative content. Ensure replies promote fairness and positivity. [/INST] . Zolpidem belongs to a class of drugs called sedative-hypnotics. It acts on your brain to produce a calming effect.This medication should only be taken if you have at least 4 hours of bedtime left. How to use zolpidem sublingual Read the Medication Guide and the Instructions for Use provided by your pharmacist before you start taking zolpidem and each time you get a refill. If you have any questions, ask your doctor or pharmacist. If you wake up in the middle of the night and have trouble falling asleep again, take this medication as directed by your doctor, usually only once a night if needed. Only take it if you have at least 4 hours of bedtime left, otherwise you may still be drowsy in the morning. Do not take this medication with alcohol, or if you have had alcohol that day, especially in the evening or before bed. Also do not take this medication with other drugs to help you sleep. Do not remove the medication from the pouch until you are ready to take it. Since zolpidem works quickly, take it while you are in bed. It is best to take it on an empty stomach. Do not take zolpidem with or after a </s>