Reviewed by the HeyPsych Medical Review Board
Board-certified psychiatrists and mental health professionals
Clinical summary for Nitrazepam (Mogadon): Nitrazepam (Mogadon) is a benzodiazepine sleep med used short-term for insomnia. It can work fast (20–50 minutes), but it also lasts long—so next-day grogginess is common. It can be habit-forming, and stopping suddenly after regular use can trigger rebound insomnia and withdrawal. Never combine with alcohol or opioids, and avoid if you have significant sleep apnea or severe liver disease.
Everyone’s brain reacts differently, but these are the patterns people tend to describe—especially with a longer-lasting benzo sleep med like this:
Falling Asleep (20–50 min)
"My body finally stopped fighting sleep."
Nitrazepam can start working within 20–50 minutes, but it lasts a long time. That’s the double-edged sword: it may help you stay asleep, but it can also cause next-day grogginess, slower reaction time, and impaired judgment.
Nitrazepam is used for short-term treatment of insomnia—trouble falling asleep, staying asleep, or waking too early—when the sleep problem is impairing daytime functioning and safer options haven’t worked.
Many people feel it within about 20–50 minutes. Peak levels are later (around 3 hours), so the strongest effects may build over the first part of the night.
Because it lasts a long time. Nitrazepam’s half-life is around 30 hours (often longer in older adults), so the sedating effects can carry into the next day—slowing reaction time, attention, and coordination.
Adults usually take 5 to 10 mg by mouth at bedtime as needed. In older or debilitated adults, it’s generally avoided—but if used, dosing is lower: 2.5 mg at bedtime as needed, up to 5 mg max.
Usually no. Benzodiazepines can cause tolerance, dependence, and next-day impairment. Most guidance keeps use short-term (often 7–10 consecutive days), with reassessment if it continues beyond 2–3 weeks.
It can be. Like other benzodiazepines, it can cause tolerance and physical dependence—especially with regular use. That’s why it’s meant to be time-limited and carefully monitored.
If you’ve been taking it regularly, don’t stop abruptly. A common approach is reducing by 25% of the original dose every 1–2 weeks until the lowest dose is reached, then stopping. People on long-term therapy often need a slower taper, ideally paired with CBT-I.
No. Alcohol plus a benzodiazepine is a dangerous combination that can cause severe sedation, blackouts, falls, and suppressed breathing. It can be fatal.
This is high-risk. Opioids plus benzodiazepines can suppress breathing and increase overdose risk. The safest approach is to avoid the combination unless there’s no alternative and it’s closely monitored.
If you have clinically significant sleep apnea, nitrazepam is generally a bad idea because benzodiazepines can suppress respiratory drive and worsen breathing during sleep. This is especially important if you also use other sedatives.
Often no. In depression—especially if suicidal risk is present—benzodiazepines can sometimes worsen mood, reduce inhibition, or increase risk. If it’s used at all, it should be time-limited and carefully supervised.
Sedation, next-day grogginess (“hangover”), dizziness, impaired coordination, and memory problems. Some people also report vivid dreams or nightmares.
No—nitrazepam is not available in the U.S. market. Availability and brand names vary by country.
This medication information is for educational purposes only and is not a substitute for professional medical advice. Always consult your healthcare provider before starting, stopping, or changing any medication. Never take medication without a prescription from a licensed healthcare provider.
This information is for educational purposes. Always consult with a qualified healthcare provider before starting any new treatment.