Valerian Root: The Ancient Herb Supporting Deep Rest, Nervous System Calm & Restorative Sleep

For many women today, exhaustion is not simply physical. It is mental, emotional and neurological. The body feels tired, yet the mind continues racing. Sleep becomes lighter, more fragmented and less restorative. Even after a full night in bed, many women wake feeling depleted rather than renewed.
This growing experience of being “wired but tired” is becoming increasingly common in modern life, where chronic stress, constant stimulation and emotional overload can keep the nervous system in a prolonged state of alertness.
As conversations around nervous system health continue to evolve, valerian root has quietly re-emerged as one of the most researched and respected botanical ingredients for supporting relaxation, restorative sleep and emotional calm.
A key ingredient in Zela Wellbeing’s Sleep+Calm formula, valerian root has traditionally been used for centuries to support restfulness and nervous system regulation. Today, medical research is helping explain why this ancient herb continues to hold such relevance in the context of modern stress and sleep disruption.
An Ancient Botanical Reconsidered Through Modern Research
Valerian root is derived from the Valeriana officinalis plant, a flowering herb traditionally used to support relaxation and restorative sleep. Its medicinal use dates back centuries, where it was historically used to calm nervous tension and support emotional wellbeing. Today, valerian remains one of the most extensively researched botanical ingredients in the area of sleep and nervous system health.
Clinical research involving nearly 7,000 participants has explored valerian root’s effects on sleep quality, emotional wellbeing and nervous system regulation, with findings suggesting it may help support restorative sleep and relaxation pathways naturally.
Importantly, research suggests valerian’s role extends beyond simply making people feel sleepy. Instead, its benefits appear to involve broader support for the body’s relaxation pathways, stress response and overall sleep quality.
The Modern Nervous System Under Constant Load
To understand why valerian root may be so supportive, it is important to understand the relationship between sleep and the nervous system. The body cannot fully rest when the nervous system still perceives stress or stimulation.
Modern life places extraordinary demands on the nervous system:
- chronic stress
- emotional overload
- mental multitasking
- digital hyperstimulation
- irregular schedules
- excessive screen exposure
- persistent cognitive load
Over time, this can keep the body in a heightened physiological state often referred to as “fight or flight.” Even when exhaustion is present, the nervous system may struggle to transition into a calm enough state for deep restorative sleep.
This can appear as:
- difficulty falling asleep
- racing thoughts at night
- waking throughout the night
- light or fragmented sleep
- waking at 3am
- feeling exhausted yet unable to fully switch off
- waking unrefreshed despite adequate sleep duration
Supporting sleep therefore often requires supporting the nervous system itself.
This is where valerian root may play an especially valuable role.
Supporting the Body’s Natural Relaxation Pathways
One of valerian root’s key mechanisms of action is its ability to modulate GABA-A receptor activity, supporting relaxation and sleep onset pathways.
GABA, or gamma-aminobutyric acid, is one of the brain’s primary calming neurotransmitters. It helps regulate nervous system activity and supports the body’s ability to relax, unwind and transition into rest. When stress levels remain elevated for long periods of time, the nervous system can become overstimulated, making it harder to settle into restorative sleep. Medical research suggests valerian root may help support these calming pathways naturally, helping the body move toward a more relaxed physiological state. Importantly, valerian does not appear to function as a harsh sedative. Instead, research suggests it may support the body’s own sleep architecture and relaxation response more gently and progressively.
This distinction is important.
Many women today are not necessarily seeking heavy sedation. They are seeking deeper restoration, emotional calm and the ability to wake feeling genuinely replenished.
The Clinical Relationship Between Valerian Root & Restorative Sleep
⇒ Sleep Onset & the Ability to Mentally Unwind
One of valerian root’s most widely recognised benefits is its ability to support sleep onset. Research suggests valerian root may help reduce sleep latency, meaning the amount of time it takes to fall asleep.
This may be particularly supportive for individuals experiencing stress-related sleep disruption or difficulty mentally switching off at night
⇒ Sleep Depth, Overnight Recovery & Restoration
Sleep quality matters just as much as sleep quantity. Clinical studies suggest valerian root may help support deeper stages of sleep, including slow-wave sleep, one of the most restorative phases of the sleep cycle associated with overnight recovery and nervous system repair.
Research has also linked valerian root with:
- reduced wakefulness during the night
- improved subjective sleep quality
- increased feelings of restoration upon waking
This is an important distinction because restorative sleep is not simply about unconsciousness. It is about the body’s ability to recover physically, mentally and emotionally overnight.
⇒ Emotional Regulation, Stress Physiology & Nervous System Calm
One of the most compelling areas of valerian research relates to its impact on stress and emotional regulation. Medical research suggests valerian root may help support emotional calm and reduce feelings of stress by influencing pathways involved in nervous system regulation.
In several clinical studies, valerian was associated with:
- reduced stress reactivity
- reduced somatic tension
- calmer physiological responses to stress
- improvements in anxiety-related symptoms
This is significant because stress and sleep are deeply interconnected.
Poor sleep can reduce emotional resilience and increase stress sensitivity. At the same time, chronic stress can impair the body’s ability to enter restorative sleep.
Valerian’s potential ability to support both relaxation and sleep quality may therefore offer broader support for overall nervous system wellbeing.
⇒ Why Consistency Matters More Than Instant Sedation
One of the most important insights from the research is that valerian’s benefits may become more noticeable with repeated use over time.
Clinical studies suggest that while single-dose use may produce only subtle effects, more consistent improvements in sleep quality and relaxation are often observed after repeated use across two to four weeks.
This reinforces the idea that valerian may work through cumulative nervous system support rather than acting as an immediate sedative.
In other words, valerian appears to support the body’s natural transition into rest more progressively and gently over time.
⇒ Restorative Support Without Next-Day Heaviness
Another important finding across several clinical studies was valerian’s generally favourable tolerability profile. Research suggests valerian does not significantly impair cognition, alertness or psychomotor performance the following day in many individuals.
This is particularly relevant for modern women seeking support for relaxation and restorative sleep without wanting to feel foggy, sedated or disconnected the next morning.
Medical research also suggests valerian root is generally well tolerated when used appropriately, supporting its longstanding use within herbal wellbeing traditions.
⇒ Sleep, Hormones & the Female Stress Response
Many of the sleep challenges women experience are deeply interconnected with stress physiology, hormonal fluctuations and nervous system load. Hormonal changes throughout life, including menstrual cycle shifts, perimenopause, menopause and periods of chronic stress, can all influence sleep quality, emotional regulation and nervous system resilience.
Medical research exploring valerian root has included women experiencing:
- stress-related sleep disruption
- hormonal changes
- emotional overwhelm
- PMS-related symptoms
- menopausal sleep disturbances
This broader context matters because sleep is rarely an isolated issue. It is often a reflection of the body’s overall stress burden and capacity for recovery.
A More Intelligent Approach to Evening Restoration

At Zela Wellbeing, we believe true wellbeing begins with restoration. The Sleep+Calm formula was thoughtfully developed to support the body’s evening transition into rest through ingredients that work in harmony with the nervous system. As a key ingredient within the formula, valerian root helps support relaxation pathways, deeper restorative sleep and overnight nervous system recovery.
Because rest is not simply about sleeping more. It is about giving the body and mind the opportunity to truly recover from the demands of modern life.
References
Behboodi Moghadam, Z., Rezaei, E., Shirood Gholami, R., Kheirkhah, M., & Haghani, H. (2016). The effect of valerian root extract on the severity of premenstrual syndrome symptoms. Journal of Traditional and Complementary Medicine, 6(3), 309–315. https://doi.org/10.1016/j.jtcme.2015.09.001
Benke, D., Barberis, A., Kopp, S., Altmann, K. H., Schubiger, M., Vogt, K. E., Rudolph, U., & Mohler, H. (2009). GABAA receptors as in vivo substrate for the anxiolytic action of valerenic acid, a major constituent of valerian root extracts. Neuropharmacology, 56(1), 174–181. https://doi.org/10.1016/j.neuropharm.2008.06.013
Fernández-San-Martín, 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
Mirabi, P., Dolatian, M., Mojab, F., & Majd, H. A. (2011). Effects of valerian on the severity and systemic manifestations of dysmenorrhea. International Journal of Gynecology & Obstetrics, 115(3), 285–288. https://doi.org/10.1016/j.ijgo.2011.06.022
Savage, K., Firth, J., Stough, C., & Sarris, J. (2018). GABA-modulating phytomedicines for anxiety: A systematic review of preclinical and clinical evidence. Phytotherapy Research, 32(1), 3–18. https://doi.org/10.1002/ptr.5940
Shinjyo, N., Waddell, G., & Green, J. (2020). Valerian root in treating sleep problems and associated disorders: A systematic review and meta-analysis. Journal of Evidence-Based Integrative Medicine, 25, 1–31. https://doi.org/10.1177/2515690X20967323
Taavoni, S., Ekbatani, N., Kashaniyan, M., & Haghani, H. (2011). Effect of valerian on sleep quality in postmenopausal women: A randomized placebo-controlled clinical trial. Menopause, 18(9), 951–955. https://doi.org/10.1097/gme.0b013e31820e9acf
Thomas, K., Canedo, J., Perry, P. J., Applegate, R., & Franklin, M. (2016). Effects of valerian on subjective sedation, field sobriety testing and driving simulator performance. Accident Analysis & Prevention, 92, 240–244. https://doi.org/10.1016/j.aap.2016.01.019



