Sleep issues affect 50-70 million Americans1 — and for many, finding relief is an ongoing struggle. Whether it’s trouble falling asleep, staying asleep, or feeling rested in the morning, insomnia is a common concern in mental health care.
Welcome back to Weekly Education Talks with Rivia Mind. In the first two parts of this series, we explored the evidence behind herbal supplements for depression and anxiety. Now, in our final installment, we’re turning to insomnia — a condition where interest in natural remedies runs especially high.
From well-known options like melatonin to long-standing herbal treatments like valerian root, a range of supplements are marketed for sleep support. But how effective are they, and are they safe to use regularly?
In this article, we’ll look at:
- Two of the most commonly studied natural substances for insomnia
- How they may work in the body and brain
- Typical dosages used in research
- Potential side effects and safety concerns
If you’re navigating sleep issues and curious about natural options, this guide offers a balanced, research-backed look at what might help — and what to consider before adding an herbal remedy to your routine.
Valerian Root for Insomnia: A Natural Sedative with Clinical Backing
Valerian root is one of the most widely used herbal supplements for sleep. Known for its calming properties, it’s often used as a natural aid for insomnia and other sleep disturbances.
Valerian is thought to work by influencing GABA, a neurotransmitter that helps regulate nervous system activity. This mechanism is similar to how certain sedative medications, like benzodiazepines, function — though valerian appears to carry fewer risks, such as dependence or next-day grogginess.
More than 40 controlled studies have evaluated valerian root for its sedative effects. Overall, the research suggests that it can be as effective as some prescription sleep aids in promoting better sleep, without causing significant side effects or tolerance over time.
Typical Dosage:
450 to 600 mg taken before bedtime. Higher doses do not appear to provide additional benefit.
Valerian is also considered safe in cases of accidental overdose, a key consideration for those looking for low-risk options.
Common Side Effects:
- Headaches
- Mild gastrointestinal upset
Rare Side Effects:
- Blurry vision
- Involuntary muscle movements (dystonias)
- Liver toxicity (hepatotoxicity)
- Withdrawal-like symptoms
Drug Interactions
There are no widely recognized drug interactions, but as with any supplement, it’s important to review your full treatment plan with a healthcare provider before starting valerian.
The Bottom Line:
Valerian root may offer a safe, effective herbal option for people struggling with insomnia. With decades of use and a growing body of research behind it, valerian provides sleep support that mimics the effects of some conventional medications but with fewer risks. It may be a particularly useful option for those looking to avoid habit-forming sleep aids or seeking a more natural approach to better rest.
Melatonin for Insomnia: Hormonal Help for Sleep Regulation
Melatonin is a hormone naturally produced by the brain’s pineal gland. It plays a key role in regulating the body’s internal clock, also known as the circadian rhythm. For people who struggle with falling asleep or maintaining consistent sleep patterns, melatonin supplements may offer a way to help reset that rhythm.
Melatonin is often referred to as the “sleep hormone” because of its ability to signal to the brain that it’s time to wind down. It works by interacting with the brain’s suprachiasmatic nucleus — the part responsible for maintaining the sleep-wake cycle — and may also have a mild sedative effect that helps support sleep onset.
Roughly 20 clinical studies have evaluated melatonin for insomnia. A meta-analysis of 19 of these trials found consistent improvements in how quickly people fell asleep, how long they stayed asleep, and their overall sleep quality.
Typical Dosage:
- 0.5 mg to 10 mg per day, depending on individual needs.
- Extended-release melatonin is often used at doses around 2 mg to help maintain sleep throughout the night.
Common Side Effects (At Higher Doses):
- Grogginess or confusion
- Vivid dreams or nightmares
Rare Side Effects:
- Lowered sex drive or fertility
- Hypothermia (abnormally low body temperature)
- Retinal changes
- Suppression of certain immune functions
Melatonin may interact with the immune system and hormonal pathways, particularly in individuals taking steroids or those who are immunocompromised (such as people living with HIV). For these populations, added caution is advised.
The Bottom Line:
Melatonin is a widely used and generally well-tolerated supplement for supporting sleep. It can be especially helpful for resetting sleep patterns or managing insomnia related to travel, shift work, or circadian rhythm disruption. While it’s considered safe for short-term use at low doses, higher doses or long-term use should be guided by a healthcare provider, particularly if you have underlying immune concerns or are taking other medications.
What the Future Holds for Herbal Remedies in Insomnia Care and Beyond
Herbal and natural remedies for sleep — particularly valerian root and melatonin — are well-studied in the field of mental health. These supplements have shown meaningful benefits for many individuals experiencing mild to moderate insomnia, and often come with fewer side effects than conventional sleep aids. That said, they aren’t without their drawbacks.
When it comes to herbal supplements for mental health more broadly, the research remains uneven. While some treatments show promise, others lack consistent evidence or pose safety concerns. To better understand how and when these remedies should be used, we still need:
- Replicable studies with standardized formulations
- Large-scale, randomized controlled trials
- Direct comparisons with conventional treatments
As always, it’s important to approach supplements with care and professional guidance. Even widely used products like melatonin and valerian can interact with other medications or affect certain health conditions.
In the U.S., herbal products are not held to the same regulatory standards as prescription drugs. That means:
- Quality, potency, and ingredient consistency can vary from brand to brand
- Testing and safety data may be limited
- Marketing often outpaces the science
While third-party certifications can offer some assurance, they’re not all created equal. The best safeguard is to work with a healthcare provider who understands both evidence-based and integrative approaches — and can help identify safe, appropriate options for your sleep needs.
As research continues to evolve, herbal remedies may become a more clearly defined part of sleep care. For now, they remain a promising option when used thoughtfully, selectively, and in partnership with your care team.
Looking for a provider to partner with on your journey toward mental wellness? Reach out today.
Sources:
- National Heart, Lung, and Blood Institute. Sleep Science and Sleep Disorders. Accessed 2025.
References:
Fernández-San-Martin, M. I., Masa-Font, R., Palacios-Soler, L. Sancho-Gómez. P… Calbó-Caldentey, C… & Flores-Mateo, G. (2010). Effectiveness of Valerian on insomnia: a meta-analysis of randomized placebo-controlled trials. Sleep medicine, 11 (6). 505-511. https://doi.org/10.1016/j.sleep.2009.12.009
Liu, L., Liu, C. Wang, Y. Wang, P., Li, Y.., & Li, B. (2015). Herbal Medicine for Anxiety, Depression and Insomnia. Current neuropharmacology, 13(4), 481-493. https://doi.org/10.2174/1570159×1304150831122734
Mischoulon D. (2018). Popular Herbal and Natural Remedies Used in Psychiatry. Focus (American Psychiatric Publishing), 16(1), 2-11. https://doi.org/10.1176/appi.focus.20170041
