Lemborexant and Ketamine: What to Monitor
Dayvigo (Lemborexant) — Dual orexin receptor antagonist (DORA, sleep)
Verdict at Tovani Health
Compatible; same residual-sedation profile as Belsomra.
Lemborexant and ketamine are compatible. Same DORA mechanism and considerations as suvorexant (Belsomra): next-morning residual sedation can stack with a morning session.
If you take Dayvigo regularly and are considering at-home ketamine therapy, the combination is safe with monitoring or modest dose adjustment. This page covers the brief pharmacologic context and what we do at intake.
How Dayvigo interacts with ketamine
Lemborexant blocks orexin OX1 and OX2 receptors, reducing wakefulness signaling. Half-life around 17 hours produces measurable next-day effect for many patients.
What we do at intake
Tell us the dose and time you typically take it. Afternoon sessions may be preferable.
Bottom line
Lemborexant and ketamine are compatible. Same DORA mechanism and considerations as suvorexant (Belsomra): next-morning residual sedation can stack with a morning session.
Frequently Asked Questions
Does Dayvigo interact with ketamine?
Lemborexant and ketamine are compatible with monitoring. The main consideration is next-morning residual sedation, which can stack with a morning ketamine session.
What are lemborexant's drug interactions?
Lemborexant has a roughly 17-hour half-life that produces measurable next-day sedation in many patients. With ketamine specifically, the interaction we plan around is additive sedation, not pharmacokinetic conflict.
Can I take Dayvigo before a ketamine session?
Generally yes, with planning. Because of lemborexant's long half-life, residual morning sedation can stack with a session. Afternoon sessions may be preferable, or we may adjust dose timing.
Is Dayvigo or Belsomra better with ketamine?
Both have the same DORA mechanism and similar considerations. The residual-sedation profile is comparable; choice between them usually depends on what you already tolerate.
Will lemborexant affect how well ketamine works?
No. Lemborexant does not blunt ketamine's antidepressant response. The only practical concern is sedation timing, which we plan around with you.
Ready to find out if at-home ketamine fits your situation?
We’ll note that you’re on Dayvigo (Lemborexant) at intake. The eligibility check takes 5 minutes and gives you an honest answer about whether at-home ketamine fits your specific situation.
FL and NJ residents only. Benjamin Soffer, DO — Tovani Health.
Sources
The verdict and clinical guidance on this page are based on the following peer-reviewed literature and FDA prescribing information.
- Exposure-Response Analyses of Polysomnography and Subjective Sleep Efficacy End Points From the Phase 3 Trials of Lemborexant in Adults With Insomnia. Lalovic B, Savant Landry I, Moline M. Journal of Clinical Pharmacology. 2023. PMID: 36524428
- Efficacy and safety profiles of FDA-approved dual orexin receptor antagonists in depression: A systematic review of pre-clinical and clinical evidence. Vasudeva S, Wong S, Le GH. Journal of Psychiatric Research. 2025. PMID: 41109037
Clinically reviewed
Reviewed by Benjamin Soffer, DO on May 17, 2026. Dr. Soffer is a board-certified physician (American Board of Internal Medicine) licensed in Florida and New Jersey, prescribing at-home ketamine therapy through Tovani Health.
This page is general information about how this medication interacts with at-home ketamine therapy at Tovani Health. It is not a substitute for medical advice from your prescribing physician about your specific situation. Always discuss medication changes with the doctor who prescribed them.