Low-Dose Quetiapine for Sleep: Thin Evidence and Serious Label Warnings
Sleep & NighttimeArticleQuetiapine, an antipsychotic, is sometimes prescribed in small doses as a sleep aid. A systematic review found only one tiny trial for insomnia, which didn't show a significant benefit, and concluded these drugs should be avoided as a first choice. The label warns about weight gain, blood sugar and cholesterol changes, dizziness and falls.
Quetiapine is an antipsychotic medicine. Because it’s sedating, some people are prescribed small doses at bedtime just for sleep. Here’s what the evidence and the label say about that use.
The evidence for insomnia is very thin
A systematic review of antipsychotics used for insomnia found only one qualifying trial of quetiapine for insomnia, with just 13 people.1
- After 2 weeks, quetiapine didn’t significantly improve total sleep time, time to fall asleep or sleep satisfaction compared with placebo, though there was a trend toward improvement.1
- The evidence was rated very low quality.1
- The reviewers concluded these drugs should be avoided as a first-line treatment for insomnia until more evidence is available.1
What the label warns
The label applies regardless of why it’s prescribed.
- Metabolic changes: higher blood sugar, cholesterol and triglyceride changes, and weight gain; blood fat testing is recommended at the start and periodically.2
- Drowsiness, dizziness on standing and unsteadiness, which can lead to falls and fractures.2
- Restless legs were reported in trials.2 See our guide to the restless legs guideline.
- A boxed warning about higher risk of death in older adults with dementia-related psychosis, a use it isn’t approved for.2
What to ask instead
- Is CBT-I an option? It’s the first-line treatment. See what CBT-I is and online CBT-I programs.
- Could something else be driving my insomnia, like sleep apnea, hot flashes or restless legs?
- If I take quetiapine for mood, is bedtime dosing helping both?
Our guides to trazodone, low-dose doxepin, orexin-blocking sleep pills and benzodiazepines after 65 compare other prescription options.
Try: “I was given quetiapine just to help me sleep. Given the weight and blood sugar warnings, is there a better option, like CBT-I?”
Did I Do That in My Sleep? includes a 14-Night Lights-Out Record and a Visit Brief. Use them to log your sleep and any morning grogginess or dizziness before your next visit. See the book.
This article is for general educational purposes only and is not medical advice. It isn't a substitute for diagnosis or treatment from a qualified healthcare professional who knows your health history. Please don't stop quetiapine on your own, especially if it was prescribed for mood or another psychiatric condition. Fainting, a fall, very high blood sugar symptoms (extreme thirst, frequent urination), fever with stiff muscles, or thoughts of self-harm need prompt care; in the U.S., call or text 988 for a mental health crisis. If you think you may be having a medical emergency, call 911 or your local emergency number right away. This article discusses published research and a drug label. Girl Playbook does not endorse any specific product, test, or provider.
Girl Playbook sells this book. It provides education and worksheets, not individualized medical care.
Sources
The research behind this article, in the order it’s cited. How we source our articles.
- Sleep Medicine (abstract via PubMed), 2016Atypical antipsychotics for insomnia: a systematic review (opens in a new tab)abcd
- DailyMed, National Library of MedicineQuetiapine tablets: prescribing information (opens in a new tab)abcd
Spotted something out of date? Tell us and we’ll check it.
