Introduction
Anidra (insomnia) is a common sleep disorder characterized by difficulty in initiating or maintaining sleep, resulting in impaired physical, mental, and emotional well-being. Ayurveda has considered sleep as one of the most important dimensions of health associated with happiness and good health and is considered as outcome of relax mental state.1 In Ayurveda, Nidra (sleep) is one of the three Trayopasthambhas (sub-pillars of life), and its disturbance is considered a manifestation of aggravated Vata and Pitta Dosha, along with mental factors such as Rajas and Tamas. Classical Ayurvedic texts advocate the use of Medhya Rasayana, a group of nootropic and rejuvenative herbs, for promoting mental health, cognitive function, emotional stability, and restful sleep.
Concept of medhya rasayana in ayurveda
The term Medhya refers to intellect, memory, and higher mental faculties, while Rasayana denotes rejuvenation and tissue nourishment. Acharya Charaka described four principal Medhya Rasayanas:
- Brahmi (Bacopa monnieri)2
- Mandukaparni (Centella asiatica)
- Shankhapushpi (Convolvulus pluricaulis)
- Yashtimadhu (Glycyrrhiza glabra)
These herbs are believed to enhance cognitive functions, reduce psychological stress, nourish the nervous system, and improve mental resilience. Since disturbed sleep is often associated with stress, anxiety, and mental overactivity, Medhya Rasayana plays an important role in the management of Anidra.
Ayurvedic perspective on anidra
According to Ayurvedic classics, Anidra arises due to the aggravation of Vata Dosha, depletion of bodily tissues, excessive mental exertion, emotional disturbances, and irregular lifestyle habits. Symptoms include sleeplessness, fatigue, irritability, poor concentration, and diminished vitality. The treatment approach emphasizes balancing Doshas, calming the mind, nourishing the nervous system, and restoring normal sleep physiology.
Medhya Rasayana acts through:
- Manas Shamana (mental calming)
- Enhancement of Satva (mental stability)
- Reduction of stress and anxiety
- Neurocognitive rejuvenation
- Promotion of natural sleep
Contemporary scientific evidence
Recent research supports the traditional use of several Medhya Rasayana drugs in sleep disorders. Ashwagandha (Withania somnifera), widely regarded as a Rasayana with Medhya properties, has demonstrated significant improvements in sleep quality, sleep onset latency, and sleep efficiency in clinical studies.3 Meta-analytic evidence suggests greater benefits among individuals diagnosed with insomnia and those receiving treatment for longer durations.
Randomized controlled trials have shown that Ashwagandha supplementation improves total sleep time, sleep quality, mental alertness upon awakening, and anxiety scores, indicating its potential role as a safe adjunctive therapy for insomnia.
Traditional Medhya Rasayana formulations have also demonstrated benefits in reducing anxiety, nervousness, irritability, and insomnia-related symptoms, supporting their role in improving psychological well-being and sleep health.
Clinical significance
The integration of Medhya Rasayana into insomnia management offers a holistic approach targeting both the psychological and physiological dimensions of sleep disturbance. Unlike conventional hypnotics that primarily induce sleep, Medhya Rasayana aims to correct the underlying imbalance, improve stress adaptation, and promote long-term mental wellness.
Conclusion
Medhya Rasayana represents a valuable Ayurvedic strategy for managing Anidra through its calming, rejuvenating, and neuroprotective effects. Classical Ayurvedic literature emphasizes its role in enhancing mental stability and restoring healthy sleep patterns. Contemporary research, particularly on Ashwagandha and related Rasayana therapies, provides growing scientific support for their effectiveness in improving sleep quality and reducing insomnia symptoms. Future well-designed clinical trials are needed to further validate these traditional interventions and establish their role in integrative sleep medicine.4
Reference:
- Rawal P, Vyas M, Baghel AS, Kamble S. Efficacy of Sattvavajaya Chikitsa in the form of relaxation techniques and Guda Pippalimula Churna in the management of Anidra (insomnia) - An open labelled, randomized comparative clinical trial. Ayu. 2019;40(2):89-96. doi:10.4103/ayu.AYU_91_17 https://pmc.ncbi.nlm.nih.gov/articles/PMC7210826/
- Walker EA, Pellegrini MV. Bacopa monnieri. In: StatPearls. Treasure Island (FL): StatPearls Publishing; 2026 Jan-. https://www.ncbi.nlm.nih.gov/books/NBK589635/
- Cheah KL, Norhayati MN, Husniati Yaacob L, Abdul Rahman R. Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysis. PLoS One. 2021;16(9):e0257843. Published 2021 Sep 24. doi:10.1371/journal.pone.0257843 https://pmc.ncbi.nlm.nih.gov/articles/PMC8462692/
- Kulkarni R, Girish KJ, Kumar A. Nootropic herbs (Medhya Rasayana) in Ayurveda: An update. Pharmacogn Rev. 2012;6(12):147-153. doi:10.4103/0973-7847.99949 https://pmc.ncbi.nlm.nih.gov/articles/PMC3459457/