Sleep Tonight
Scored by the Formulate Research Team · Last reviewed July 2026
Score Breakdown
Three factors carry this score; three more are checked separately and can only take points away. Hover or tap to see what drove each one.
Ingredients per Serving
| Ingredient | Amount |
|---|---|
| Stress-Reducing Proprietary Blend | 250 mg |
| Cortisol-Reducing Proprietary Blend | 225 mg |
| Phosphatidylserine2 systematic reviews · 34 randomised trials | 50 mg |
Certifications & Testing
Other Ingredients
Cellulose, Sodium Croscarmellose, Stearic Acid, Calcium Silicate, Magnesium Stearate, Silica, Hypromellose, Glycerin
Recommended Use
Recommendation: Adults take 1 tablet before bedtime, or as recommended by a healthcare professional. For nightly use.
Warnings
Keep out of reach of children. Safety sealed with inner seal. Do not use if seal is broken or missing. Warning: Do not use if you are pregnant or nursing. If you are taking any medications, consult a healthcare professional before use. Individuals with diabetes should monitor blood glucose levels closely while taking this product. Contains soy.
Frequently Asked Questions
What is Nature's Way Sleep Tonight's Formulate score?
Nature's Way Sleep Tonight scores 74 out of 100 (grade B+) on Formulate's ingredient-level rubric: clinical evidence, dose accuracy and bioavailability carry the score, while manufacturing, transparency and safety are checked separately and can only deduct.
Is Nature's Way Sleep Tonight worth it?
Nature's Way Sleep Tonight scores 74/100 (grade B+). That's an above-average result — most of its doses and ingredient forms are well-chosen, with only minor gaps in dosing, transparency, or testing. Formulate grades every product with the same automated rubric, so the score reflects the formula — not marketing or sponsorships.
What's in Nature's Way Sleep Tonight?
Each serving contains Stress-Reducing Proprietary Blend (250 mg), Cortisol-Reducing Proprietary Blend (225 mg), Phosphatidylserine (50 mg). Serving size: 1 Tablet(s). 28 servings per container.
How do I take sleep tonight?
Recommendation: Adults take 1 tablet before bedtime, or as recommended by a healthcare professional. For nightly use.
Who makes Sleep Tonight?
Sleep Tonight is made by Nature's Way. See Formulate's full grade and product lineup for Nature's Way on its brand page.
Is Nature's Way Sleep Tonight third-party tested?
Nature's Way lists the following certifications and testing for this product: Dairy-Free, Gluten-Free, Vegan, Vegetarian.
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Disclosure. Formulate may earn a commission from purchases made through links on this page. Commissions never influence scores — every product is graded by the same automated rubric. This page is for educational purposes only and does not replace advice from a qualified healthcare provider.