Diphenhydramine
Simply Sleep is an over-the-counter sleep aid designed to help relieve occasional sleeplessness. It contains an antihistamine ingredient that causes drowsiness, helping users fall asleep. This product is intended for adults experiencing difficulty falling asleep.
Simply Sleep is an OTC sleep aid used to help adults with occasional sleeplessness.
Key facts at a glance
- RxNorm
- 262241
- Generic
- Simply Sleep
- Class
- brand-name
- Brands
- —
- Availability
- rx
- Lactation
- unknown
- Routes
- —
- Forms
- —
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
Relief of occasional sleeplessness when difficulty falling asleep occurs. It is not intended for long-term treatment of insomnia or underlying sleep disorders.
Contains an antihistamine that blocks histamine receptors, producing a sedating effect that helps facilitate the onset of sleep.
Should only be used occasionally, not regularly. May cause next-day drowsiness. Avoid alcohol while taking. Consult a healthcare provider if sleep problems persist beyond 2 weeks. Not recommended for elderly patients due to increased sensitivity to side effects.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 9, 2026. · Read our editorial policy