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Trazodone for sleep

Trazodone is an antidepressant that is prescribed for sleep far more often than for depression, usually at a fraction of its antidepressant dose. It is popular for a good reason — it is not habit-forming and it is not a controlled substance — and it is also weaker for insomnia than its popularity suggests. This page explains how it works, what the evidence and the sleep-medicine guideline say, what taking it is like, when it is a reasonable choice, and how it is stopped.

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Who this is for: Adults 18–65 in Connecticut, Massachusetts, New Hampshire, Maine, Rhode Island, Virginia, and Kentucky whose sleep has become a problem alongside anxiety or low mood, who have been prescribed trazodone and want to understand it, or who are wondering whether to keep taking it.

How trazodone works for sleep

Trazodone is an older antidepressant that acts on serotonin, but at the low doses used for sleep its sedation comes mostly from blocking histamine and a particular serotonin receptor, together with a mild effect on blood pressure. The result is drowsiness that arrives within an hour or so and lasts through the night for most people. Its FDA approval is for depression; using it for insomnia is off-label, and extremely common.

What the evidence says

Less than you would expect from how often it is prescribed. The American Academy of Sleep Medicine's clinical practice guideline reviewed the trials and suggested that clinicians not use trazodone for chronic insomnia, because the evidence of benefit was weak — not because it is dangerous, but because the studies show only a small improvement in sleep. The guideline's recommended first-line treatment for chronic insomnia is not a medication at all; it is cognitive behavioral therapy for insomnia.

That does not make trazodone useless. For sleeplessness that comes with depression or anxiety, where the antidepressant action and the sedation both help, and for people for whom the alternatives are habit-forming or unsuitable, it remains a reasonable choice — used with clear eyes about what it can and cannot do.

What taking it is like

  • Taken at bedtime; drowsiness within an hour; it isn’t for as-needed use in the middle of the night
  • Next-morning grogginess is the most common complaint, especially early on or at higher doses
  • Dizziness or light-headedness on standing, dry mouth, headache and nasal stuffiness are common and usually mild
  • A rare but serious effect in men is a painful, prolonged erection (priapism), which is a medical emergency — the label is explicit about it
  • It isn’t habit-forming and isn’t a controlled substance; it’s sedating on top of alcohol, which isn’t combined with it
  • Stopping it can bring a few nights of rebound insomnia and, from higher doses, mild discontinuation symptoms — it’s reduced in steps rather than stopped abruptly

When it is a reasonable choice, and when it is not

Trazodone earns its place when insomnia sits alongside depression or anxiety, when the person hasn’t slept in weeks and needs a bridge while the underlying problem is treated, or when a non-habit-forming option is essential. It doesn’t earn its place as a permanent solution to insomnia that has never been properly assessed. Sleep apnea, restless legs, a circadian problem, alcohol, caffeine, a medication taken at the wrong time — any of these can be the actual cause, and none of them is treated by trazodone.

At NCNE the sleep conversation starts with what is driving the insomnia, puts the habits that maintain sleep in place, refers for CBT-I where insomnia is entrenched, and uses trazodone where it genuinely helps — with a plan for coming off it that’s made at the start, not discovered later.

Common questions

Is trazodone addictive?
No. It doesn’t act on the brain's reward system, doesn’t produce tolerance in the way benzodiazepines and Z-drugs do, and isn’t a controlled substance. Stopping it can cause a few nights of rebound insomnia and, from higher doses, mild discontinuation symptoms, which is why it’s reduced in steps — but that isn’t dependence.
How long does trazodone take to work for sleep?
The sedating effect arrives within an hour or so of the first dose, so it works the first night for most people. Whether it keeps working — and whether it’s actually improving sleep rather than just producing drowsiness — is judged over a few weeks.
Why do I feel groggy the next morning?
Because the sedation lasts longer than the night for many people, particularly early on and at higher doses. Taking it earlier in the evening, or a lower dose, usually helps, and the grogginess often eases within a couple of weeks. If it does not, that’s a reason to revisit whether trazodone is the right choice.
Is trazodone better than a sleeping tablet?
It depends what you mean by better. It’s safer in the sense that matters most — no habit-forming potential, no tolerance — and for that reason many prescribers prefer it. It’s weaker than the Z-drugs for pure insomnia, and the sleep-medicine guideline doesn’t recommend it for chronic insomnia. For sleep that comes with depression or anxiety, it’s often the better fit.
What is the best treatment for insomnia, then?
For chronic insomnia, cognitive behavioral therapy for insomnia — a structured, short course that retrains sleep — has the strongest evidence and is what the guideline recommends first. Medication, including trazodone, has a role for the short term and for insomnia that comes with another condition. We can refer you for CBT-I, and often do.
How do I stop taking trazodone?
In steps, with the sleep plan in place first. Stopped abruptly it can produce a few nights of rebound insomnia that convince people they can’t sleep without it; reduced gradually, with the habits that maintain sleep already working, most people come off it without much trouble. There is a separate page on tapering off trazodone.
How do I find out whether this is right for me?
At an evaluation. NCNE's first visit is a 60-minute video appointment that covers your symptoms, history, past treatments and what you’re hoping will change; trazodone is one of the options weighed there, against the alternatives and against not medicating at all. You leave with a plan you helped write, and nothing is started until you understand what it does and doesn’t do.

Sources

  • U.S. Food and Drug Administration. Prescribing information for trazodone (Desyrel) — indications, warnings and adverse reactions. DailyMed
  • Sateia MJ, et al. Clinical Practice Guideline for the Pharmacologic Treatment of Chronic Insomnia in Adults: An American Academy of Sleep Medicine Clinical Practice Guideline. J Clin Sleep Med. 2017. PubMed

This page is general information, not a prescription or a recommendation for you. Whether any medication is right for you, and how it would be started, adjusted or stopped, is decided at an evaluation with a prescriber who knows your history. Do not start, change or stop a medication on the strength of a webpage.

Related: How to taper off trazodone · Hydroxyzine for anxiety · Prazosin for nightmares

If you are in immediate danger, call 911. For urgent emotional support at any hour, call or text 988(Suicide & Crisis Lifeline). Telehealth visits and this website are not an emergency service.

Sleep not working, and not sure medication is the answer? Book a telehealth evaluation with Laura Gabriel, PMHNP-BC, or send a message and we will respond within two business days.

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