Reviewed by the HeyPsych Medical Review Board
Board-certified psychiatrists and mental health professionals
Clinical summary for Trazodone: Trazodone is an antidepressant that’s commonly used off-label to help with sleep. It can work for sleep the first night, but depression improvement usually takes weeks. Expect possible morning grogginess and dizziness—especially if you stand up fast. Rare but urgent risks include priapism, serotonin syndrome, and heart rhythm problems.
Everyone’s experience is different, but these are the patterns I hear most often:
Sleepiness (same night)
"It didn’t knock me out, but it made my brain quiet enough to fall asleep."
Trazodone has two timelines: sleep effects can be fast, and antidepressant effects are slower.
Trazodone is FDA-approved for major depressive disorder, but it’s very commonly used off-label for insomnia (sleep onset and sleep maintenance). In many real-world cases, it’s prescribed mainly to help sleep—especially when you want a non-controlled option with low abuse potential.
For sleep, it can work the first night. Many people feel drowsy within about 30 to 120 minutes, depending on dose, whether they took it with food, and their sensitivity.
Depression benefits take longer. Some people notice early improvement in 1 to 2 weeks, but a fair trial is usually 4 to 6 weeks at an effective dose.
A common bedtime dose range for sleep is 50 to 100 mg. Some people start lower (like 25 mg, or even 12.5 mg if they’re sensitive). In select cases, prescribers may go up to about 200 mg at bedtime if benefits outweigh side effects.
Trazodone is not a controlled substance and is generally considered low risk for abuse compared with benzodiazepines or Z-drugs. That said, stopping suddenly after regular use can still cause rebound insomnia and withdrawal-like symptoms, so tapering is often smarter if you’ve been on it for weeks or longer.
Trazodone blocks histamine (H1) and alpha-1 receptors, which is part of why it helps sleep—but it can also cause next-day sedation and “hangover” feelings. This is more likely with higher doses, taking it too late, or combining it with other sedating substances.
Yes. Orthostatic hypotension (a blood pressure drop when you stand) can happen because trazodone blocks alpha-1 receptors. It’s especially important to be careful at night and in older adults, because falls are a real risk.
Priapism is a prolonged, often painful erection that doesn’t go away. It’s rare, but it’s an emergency because it can cause permanent damage if not treated promptly. If this happens, go to the ER—do not wait it out.
It can, especially if combined with other serotonergic medications. Symptoms can include agitation, confusion, sweating, tremor, diarrhea, muscle stiffness, and fever. Severe cases are a medical emergency.
All antidepressants carry a warning about increased risk of suicidal thoughts and behaviors in children, adolescents, and young adults (especially early in treatment). The risk is highest in younger age groups and in the first weeks to months, and it’s why close monitoring matters.
The data are limited, but available evidence hasn’t shown a clear increase in adverse pregnancy outcomes. Decisions are individualized and should be made with shared decision-making. Trazodone appears in breast milk at low levels in limited data; if used while breastfeeding, infants should be monitored for sedation and feeding issues.
Usually, long-term nightly use for insomnia isn’t the ideal plan unless non-medication sleep treatments aren’t available or haven’t worked and the benefits clearly outweigh the downsides. If you’re using trazodone mainly for sleep, it’s worth pairing it with behavioral sleep strategies so you’re not stuck needing a pill to sleep.
This treatment information is for educational purposes only. Treatment decisions should be made in consultation with qualified healthcare professionals based on individual circumstances, symptoms, and medical history. Do not attempt treatment without professional guidance.
This information is for educational purposes. Always consult with a qualified healthcare provider before starting any new treatment.