Does Xanax help you sleep?
Yes, Xanax (alprazolam) can help you fall asleep, because drowsiness is its most common side effect. But it is not FDA-approved to treat insomnia. Xanax is approved to treat anxiety disorders and panic disorder. As a sleep aid, it stops working well quickly. For long-term sleep problems, doctors recommend a type of talk therapy called cognitive behavioral therapy for insomnia (CBT-I) first.
Key points
- Xanax causes drowsiness in many people, but its sleep benefit fades within days of nightly use.
- Stopping Xanax can cause rebound insomnia, which is trouble sleeping that is worse than before you started.
- Xanax carries the FDA’s strongest warning (a Boxed Warning) for addiction, dependence, and withdrawal.
- CBT-I and medicines that are approved for insomnia are safer choices for most people.
How Xanax makes you sleepy
Xanax belongs to a group of medicines called benzodiazepines (“benzos”). It boosts the effect of GABA, a natural brain chemical that calms nerve activity. This calming effect eases anxiety, but it also makes many people feel tired.
Drowsiness is very common. In clinical trials, 41% of people taking Xanax for anxiety felt drowsy, compared with 22% of people taking a placebo (no active medication). In panic disorder trials, which used higher doses, 77% of people on Xanax reported drowsiness, compared with 43% on placebo.
Xanax reaches its highest level in your blood about 1 to 2 hours after a dose. On average, it takes about 11 hours for your body to clear half of a dose, but this can range from about 6 to 27 hours. It stays in the body longer in older adults (about 16 hours on average) and in people with obesity (about 22 hours). That is why some people still feel groggy the next morning.
Why doctors usually don’t prescribe Xanax for sleep
Dependence and withdrawal
In 2020, the FDA required a stronger Boxed Warning on all benzodiazepines, including Xanax, about the risks of misuse, addiction, physical dependence, and withdrawal. The FDA warns that physical dependence can happen when these medicines are taken steadily for several days to weeks, even at the prescribed dose.
Stopping Xanax suddenly or lowering the dose too fast can cause withdrawal reactions that can be life-threatening, including seizures. Some people have withdrawal symptoms, such as anxiety and sleep problems, that last for weeks to more than a year. Xanax is a Schedule IV controlled substance.
Dangerous drug combinations
Taking Xanax with opioid pain medicines, alcohol, or other drugs that cause drowsiness can lead to extreme sleepiness, slowed or stopped breathing, coma, and death. Some medicines, such as the antifungals ketoconazole and itraconazole, can sharply raise Xanax levels in your body and should not be taken with it. Use the Drugs.com Drug Interaction Checker and talk with your pharmacist before combining medicines.
Next-day effects and falls
Xanax can slow your thinking and reaction time, so do not drive or use machinery until you know how it affects you. This risk is higher in older adults. The American Geriatrics Society’s 2023 Beers Criteria advise against all benzodiazepines in adults 65 and older because they raise the risk of memory problems, confusion, falls, broken bones, and car crashes.
When might a doctor prescribe Xanax at bedtime?
Sometimes anxiety or panic is the main thing keeping a person awake. In that case, a doctor may prescribe Xanax for a short time to treat the anxiety itself, often while longer-term treatments such as antidepressants (for example, SSRIs) have time to start working. Expert guidelines say that when sleep medicine is used, it works best as a short-term add-on to CBT-I, not a replacement for it. If you are prescribed Xanax, take it exactly as directed and ask your doctor how long you should use it.
Sleep problems after stopping Xanax
If you have discontinued treatment with Xanax at your doctor's instructions and are having trouble sleeping, contact your healthcare provider. Insomnia, or trouble sleeping, can be a temporary withdrawal side effect when Xanax treatment is discontinued. Your doctor may decide to more slowly discontinue your treatment.
Other Xanax side effects
Common central nervous system (CNS) side effects associated with Xanax can include:
- Confusion
- Anxiety
- Drowsiness
- Dizziness
- Fatigue
- Decreased alertness
- Trouble sleeping
- Memory trouble
- Trouble and slowing with balance, walking or talking (ataxia, psychomotor impairment)
The sedating effect of Xanax can impair the ability to drive safely, operate equipment or perform other hazardous activities. Do not engage in these activities until you know how this medicine will affect you. Sedation usually occurs quickly, within 15 to 45 minutes after taking a dose of Xanax.
As Schedule IV controlled substances, all benzodiazepines have the potential for drug abuse, addiction and diversion.
Xanax can slow or stop your breathing, especially if you have recently used an opioid (“narcotic”) medication or alcohol. A person caring for you should seek emergency medical attention (call 911 in the US) if you have slow or shallow breathing with long pauses, blue colored lips, or if you are hard to wake up.
Sedation or sleepiness due to Xanax may be a greater risk if you are:
- An older age
- Using higher doses
- Taking other medicines that also affect the central nervous system
- Increasing your dose too quickly
- Drinking alcohol or abusing illicit drugs
Do not drink alcohol while taking Xanax. Use caution to avoid falling or an accidental injury, especially for older patients.
To learn more about benzodiazepines, you can read Benzodiazepines: Overview and Use for more in-depth details.
Related questions
- How long does Xanax (alprazolam) last and stay in your system?
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What else can I use besides Xanax for sleep?
Cognitive behavioral therapy for insomnia (CBT-I)
The American College of Physicians recommends that all adults with long-term insomnia try CBT-I as their first treatment. CBT-I is usually a 6- to 8-week program. It helps you change thoughts and habits that keep you awake, set a steady sleep schedule, and learn ways to relax.
A 2026 guideline from the American Academy of Sleep Medicine (AASM) found that CBT-I on its own works as well as CBT-I combined with sleep medicine for most people. It also found that adding CBT-I to sleep medicine works better than medicine alone. If in-person CBT-I is hard to find, two digital CBT-I programs, Somryst and SleepioRx, are cleared by the FDA.
Healthy sleep habits
Good sleep habits support any insomnia treatment, although they usually aren’t enough by themselves for long-term insomnia. Try these tips:
- Go to bed and wake up at the same time every day, even on weekends.
- Keep your bedroom cool, quiet, and dark.
- Limit caffeine later in the day and avoid alcohol close to bedtime.
- Get regular physical activity, but not too close to bedtime if it keeps you awake.
- Turn off screens for an hour or two before bed.
Medications approved for insomnia
If you need medicine, several options are FDA-approved for insomnia. The AASM supports using them mainly when CBT-I is not available or has not helped enough.
- Nonbenzodiazepines or “Z-drugs”: for example, eszopiclone (Lunesta), zaleplon (Sonata), and zolpidem (Ambien, Ambien CR, Edluar, Zolpimist)
- Dual orexin receptor antagonists (DORAs): for example, daridorexant (Quviviq), lemborexant (Dayvigo), and suvorexant (Belsomra)
- Doxepin (Silenor): a tricyclic antidepressant with histamine receptor antagonist properties
- Ramelteon (Rozerem): a melatonin receptor agonist
- Benzodiazepines: Restoril (temazepam), Halcion (triazolam)
The AASM advises against using trazodone, diphenhydramine (Benadryl), or melatonin to treat long-term insomnia, because there is not enough evidence that they work well for it. Your doctor will help you choose based on your sleep problem, other health conditions, other medicines, side effects, and cost.
This is not all the information you need to know about Xanax (alprazolam) for safe and effective use and does not take the place of your doctor’s directions. Review the full product information and discuss this information and any questions you have with your doctor or other health care provider.
References
- Buysse, D. J., Arnedt, J. T., Buenaver, L., et al. (2026). Combination treatment for chronic insomnia disorder in adults: An American Academy of Sleep Medicine clinical practice guideline. Journal of Clinical Sleep Medicine, 22, 56. https://doi.org/10.1007/s44470-025-00038-8
- Kales, A., Bixler, E. O., Vela-Bueno, A., Soldatos, C. R., & Manfredi, R. L. (1987). Alprazolam: Effects on sleep and withdrawal phenomena. Journal of Clinical Pharmacology, 27(7), 508–515. https://pubmed.ncbi.nlm.nih.gov/3655003/
- Qaseem, A., Kansagara, D., Forciea, M. A., Cooke, M., Denberg, T. D., & Clinical Guidelines Committee of the American College of Physicians. (2016). Management of chronic insomnia disorder in adults: A clinical practice guideline from the American College of Physicians. Annals of Internal Medicine, 165(2), 125–133. https://pubmed.ncbi.nlm.nih.gov/27136449/
- Xanax (alprazolam) prescribing information. Updated January 18, 2023 DailyMed. National Library of Medicine (NLM). Accessed October 2, 2026 at https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=388e249d-b9b6-44c3-9f8f-880eced0239f
- Neubauer D (author). Pharmacotherapy for insomnia in adults. Up to Date. Accessed July 28, 2023 at https://www.uptodate.com/contents/pharmacotherapy-for-insomnia-in-adults
- U.S. Food and Drug Administration. (2020, September 23). FDA requiring Boxed Warning updated to improve safe use of benzodiazepine drug class [Drug Safety Communication]. https://www.fda.gov/media/142368/download
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