Belsomra vs Dayvigo
A side-by-side look at two sleep medications advertised on TV. Informational only — not medical advice.
Maintained by TVPills Editorial Team · Site updated November 4, 2026 (not a product-label review)
| Attribute | US Belsomra | US Dayvigo |
|---|---|---|
| Generic name | suvorexant Unverified catalogue summary (Generic name) for Belsomra in US; not checked against current local product information. | lemborexant Unverified catalogue summary (Generic name) for Dayvigo in US; not checked against current local product information. |
| Drug class | See official local label Unverified catalogue summary (Drug class) for Belsomra in US; not checked against current local product information. | See official local label Unverified catalogue summary (Drug class) for Dayvigo in US; not checked against current local product information. |
| Treats | Insomnia Unverified catalogue summary (Treats) for Belsomra in US; not checked against current local product information. | Insomnia Unverified catalogue summary (Treats) for Dayvigo in US; not checked against current local product information. |
| Category | Sleep Unverified catalogue summary (Category) for Belsomra in US; not checked against current local product information. | Sleep Unverified catalogue summary (Category) for Dayvigo in US; not checked against current local product information. |
| Manufacturer | Merck Unverified catalogue summary (Manufacturer) for Belsomra in US; not checked against current local product information. | Eisai Unverified catalogue summary (Manufacturer) for Dayvigo in US; not checked against current local product information. |
| Year approved | — Unverified catalogue summary (Year approved) for Belsomra in US; not checked against current local product information. | — Unverified catalogue summary (Year approved) for Dayvigo in US; not checked against current local product information. |
| Catalogue warning level | Safety summary withheld — check official label Unverified catalogue summary (Catalogue warning level) for Belsomra in US; not checked against current local product information. | Safety summary withheld — check official label Unverified catalogue summary (Catalogue warning level) for Dayvigo in US; not checked against current local product information. |
| Est. TV ad spend | — | — |
| Side effects and serious risks | — Unverified catalogue summary (Side effects and serious risks) for Belsomra in US; not checked against current local product information. | — Unverified catalogue summary (Side effects and serious risks) for Dayvigo in US; not checked against current local product information. |
Sources and editorial standards
Use the current DailyMed labels to verify approved uses, boxed warnings, and side effects for each medication. Label results can differ by product, strength, and formulation.
Page updated November 4, 2026; the linked resources have not necessarily been reviewed on this date.
Frequently asked questions
Is Belsomra or Dayvigo better?
This directory does not compare clinical effectiveness or safety. Listing Belsomra and Dayvigo together does not establish shared approved indications, equivalence or suitability as substitutes. Consult the correct local labels and your prescriber.
What's the difference between Belsomra and Dayvigo?
The table shows catalogue identification and estimated advertising information for Belsomra and Dayvigo, not a verified medical comparison. Medical descriptions, mechanisms and safety summaries are withheld.
Which one spends more on TV ads?
Belsomra has the larger estimated TV advertising budget of the two.