Belsomra vs Dayvigo
A side-by-side look at two sleep medications advertised on TV. Informational only — not medical advice.
| US Belsomra | US Dayvigo | |
|---|---|---|
| Generic name | suvorexant | lemborexant |
| Drug class | Orexin Receptor Antagonist | Orexin Receptor Antagonist |
| Treats | Insomnia | Insomnia |
| Category | Sleep | Sleep |
| Manufacturer | Merck | Eisai |
| Year approved | 2014 | 2019 |
| FDA warning | Moderate warnings | Moderate warnings |
| Est. TV ad spend | — | — |
| Common side effects | Next-day drowsiness, Headache, Dizziness, Abnormal dreams | Next-day drowsiness, Headache, Abnormal dreams, Rare sleep behaviors like sleep-driving |
Frequently asked questions
Is Belsomra or Dayvigo better?
Neither is universally "better." Belsomra (suvorexant) and Dayvigo (lemborexant) are both used for sleep, but the right choice depends on your medical history, insurance and your doctor's guidance. This comparison is informational only.
What's the difference between Belsomra and Dayvigo?
Belsomra is a Orexin Receptor Antagonist made by Merck, while Dayvigo is a Orexin Receptor Antagonist made by Eisai. See the table above for a side-by-side breakdown.
Which one spends more on TV ads?
Belsomra has the larger estimated TV advertising budget of the two.