Trazodone is the most commonly prescribed insomnia medication in the U.S., used off-label at 25–100 mg at night, usually starting at 25–50 mg. It is FDA-approved as an antidepressant, not officially a sleeping pill. Only a doctor can set the right dose, including for elderly patients or anyone also managing anxiety.
Trazodone shows up constantly in conversations about sleep medication, but it starts from an unusual place: it is not a sleep drug at all on paper. The clearest way to understand it is the Off-Label Sedation framework — trazodone is FDA-approved as an antidepressant, and doctors have long used its sedating side effect, at doses lower than those used for depression, to help patients fall asleep. That single fact explains almost everything people ask about it: why the dosing looks different from a typical sleep aid, why "max dose" doesn't have one clean answer, and why it gets prescribed for anxiety and sleep together.
Trazodone is the most commonly prescribed insomnia medication in the United States, even without an FDA approval specifically for sleep. If you are weighing it against other options, it helps to see the fuller landscape in sleeping pills and sleep medication, and if trouble sleeping is a recurring pattern rather than an occasional bad night, start with insomnia.
For sleep, trazodone is prescribed off-label in a typical range of 25 to 100 mg at night, with most prescribers starting patients at the lower end, around 25 to 50 mg. That starting-low approach is standard practice with a sedating medication: it lets a doctor gauge how a person responds — how sedating it feels, whether there is next-day grogginess — before considering any adjustment. Because trazodone was developed and approved as an antidepressant, its sleep dosing sits well below the doses used to treat depression, which is part of why the range for sleep is comparatively narrow and conservative.
Dosage decisions always belong to a prescribing doctor, who weighs body size, other medications, liver and kidney function, and any other health conditions before settling on a starting dose or adjusting it over time. This article describes the typical range reported for trazodone as a sleep aid; it is not a substitute for that individualized decision.
A 50 mg dose sits squarely inside the typical 25–100 mg off-label sleep range and is a common starting or ongoing maintenance dose. Some people are prescribed 50 mg from the outset, while others reach it after starting lower and finding 25 mg insufficient. Whether 50 mg is the "right" amount depends entirely on the individual — how sedated it makes someone feel, whether sleep improves, and whether there is lingering grogginess the next morning — which is why it is a decision made and monitored by a doctor rather than a fixed number that applies to everyone.
Older adults are generally more sensitive to sedating medications and often process drugs more slowly, so prescribers commonly favor the lower end of the dosing range in this age group and watch closely for morning grogginess, dizziness, or an increased fall risk. This caution is not because older adults need less sleep — they need the same amount as younger adults — but because age-related changes in the brain and body can make it harder to generate deep, restorative sleep in the first place, and can also change how a person responds to a sedating drug. Any trazodone dose for an elderly patient should be set and reviewed by a doctor, ideally one aware of the person's full medication list, since interactions become more likely with age.
Trazodone's identity as an antidepressant is also why it comes up for anxiety, not just sleep. Because it is FDA-approved to treat depression and has a calming, sedating effect at lower doses, doctors sometimes consider it off-label when sleep problems and anxiety symptoms overlap — a common combination, since anxious thoughts at bedtime are one of the more familiar reasons people struggle to fall asleep. That does not make trazodone an anti-anxiety medication in the way a drug specifically approved for anxiety would be; the reasoning and dosing behind using it for anxiety versus using it purely for sleep are different clinical judgments, both of which require a doctor's evaluation.
For anyone whose sleep trouble is driven mainly by anxious thinking rather than an isolated bad stretch, it is also worth looking at non-drug approaches — see how to sleep better for habits that support winding down, and insomnia for what to expect if the pattern has become chronic.
There is no single universal "max dose" of trazodone for sleep beyond whatever a prescribing doctor sets for a given patient. The typical off-label sleep range tops out around 100 mg at night, and going beyond a doctor-approved dose is not supported by the same evidence base that guides the 25–100 mg range, while also raising the likelihood of next-day sedation and other side effects. It is worth keeping the two dosing contexts separate: trazodone's FDA-approved antidepressant dosing runs considerably higher than its typical sleep-use range, but that higher depression-dosing reference point is not the benchmark for sleep, and taking more "because a higher number exists" is not a safe way to reason about it.
Trazodone is a prescription medication used off-label for sleep, and dosing decisions should always go through a doctor. Seek medical advice — and never adjust a dose on your own — if any of the following apply:
This article does not provide a diagnosis or a specific dose for any individual.
Not officially. Trazodone is FDA-approved as an antidepressant, not as a sleeping pill, and every use of it for insomnia is off-label — meaning doctors prescribe it based on clinical experience with its sedating effect rather than an FDA indication for sleep. Despite that technicality, it is the most commonly prescribed medication for insomnia in the United States, which is exactly why it gets grouped with dedicated sleep drugs in everyday conversation even though its label says otherwise.
That distinction also separates trazodone from a chronobiotic like melatonin, which works by shifting the timing of the body's internal clock rather than sedating it directly. Trazodone's off-label sleep effect comes from sedation, not from resetting a circadian signal, which is one more reason it behaves differently from over-the-counter sleep aids people may have already tried.