Coriander for Nightmares: Does It Work?
Does Coriander (Dhanyaka) help with nightmares? As a supporting herb, yes. Ayurvedic home-remedy references list coriander among the herbs for nightmares, where it works on digestion and heat rather than directly on the mind.
Ayurveda names two main causes of nightmares in adults: fears, anxieties and worries, and eating too much food too late at night. Our sources also link nightmares to Ama, the sticky residue of incompletely digested food. Coriander is classed by the Bhavaprakasha as an appetizer (Deepana) and digestive (Pachana), which is where it fits.
It also has a cooling side. Coriander seeds are described as an effective digestive for Pitta conditions in which most spices are used with caution, and the Bhavaprakasha lists it as a remedy that relieves burning (Daha hara) and balances all three doshas (Tridosha Shamaka).
Traditionally it is brewed with Cumin and Fennel as a tea, which is also given to children earlier in the evening to help prevent bedwetting, a known trigger for nightmares.
How Coriander Helps with Nightmares
Ayurveda reads a nightmare as Vata, the airy, mobile dosha, and Pitta, the hot, sharp dosha, disturbing Sadhaka Pitta, the aspect of Pitta linked with the heart and the processing of thought and emotion. Coriander supports the body side of that picture.
Easing the Late-Meal Burden
A heavy dinner eaten late is one of the two main causes of adult nightmares, and our sources connect nightmares with undigested residue (Ama). Coriander kindles the digestive fire (Agni) and is used for indigestion, flatulence and intestinal complaints.
Cooling Without Heating the Gut
Coriander is bitter and pungent in taste with a cold potency (Sheeta Virya). Practitioners describe it as relieving internal heat and as suitable for all Pitta disorders. That makes it a fitting digestive spice when dreams follow the Pitta pattern of fire, war, weapons and fighting, where hotter spices could add to the heat.
A Gentle Evening Tea for Children
Some children's nightmares come as a result of bedwetting. The cumin, coriander and fennel tea, taken earlier in the evening, is traditionally used to help prevent it.
Our sources hold no clinical studies on coriander for nightmares, so this remains traditional reasoning.
How to Use Coriander for Nightmares
For nightmares, coriander works best as part of an evening routine, not as a stand-alone remedy. Our sources give no dose specific to nightmares, so the amounts below come from its general use.
| Form | Amount | When |
|---|---|---|
| Cumin, coriander and fennel tea | 1 tsp of an equal seed mix in 1 cup boiling water, steeped 10 minutes | Early evening, not just before bed |
| Seed powder (Churna) | 1 to 3 g (about half a teaspoon) | With warm water after an early dinner |
| Fresh leaves | A small handful | Added raw to dinner for Pitta cooling |
Timing Matters
Eat dinner before seven o'clock. Late, heavy meals are one of the main causes of adult nightmares, and coriander supports digestion best when the meal is early and light.
For children prone to bedwetting, give the tea earlier in the evening and limit drinks for at least two hours before sleep.
Pair It With the Mind Herbs
Coriander covers digestion and heat. For the fear and worry behind most nightmares, Ayurveda turns to Jatamansi and Brahmi, plus warm oil on the soles and scalp before bed.
Our sources give no set course length. Treat it as a daily habit you keep alongside these evening changes.
Frequently Asked Questions
Can coriander stop nightmares on its own?
Unlikely. Coriander supports digestion and cools excess heat, which helps when late meals or Pitta are part of the picture. The fears and worries behind most nightmares call for calming herbs and a settled evening routine.
Is coriander right for every type of nightmare?
It balances all three doshas and suits Pitta-type dreams of fire and fighting best. One classical caution applies: it should not be used in extreme Vata nerve-tissue deficiency, where its cooling, drying quality could aggravate dryness.
Can I take coriander with my medications?
Our sources note no known drug interactions. Coriander seed has a mild blood-sugar-lowering effect, so if you take diabetes medication, monitor your glucose and let your doctor know before using concentrated preparations.
Recommended: Start Coriander for Nightmares
If you want to start using coriander for nightmares today, here is the simplest starting point.
Best form: whole seeds in a cumin, coriander and fennel tea, the traditional way these three are used together for nightmares.
Kitchen version: steep 1 teaspoon of an equal mix of the three seeds in a cup of boiling water for 10 minutes and sip it in the early evening, after a dinner eaten before seven.
If your dreams are Pitta-type (fire, fighting, exams): add fresh coriander leaves to dinner for extra cooling. If they are Vata-type (falling, being chased): keep coriander modest and add warm oil on the soles of your feet at bedtime.
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If you are allergic to celery, carrot or fennel, start with a small amount, and if you snore heavily or stop breathing in your sleep, see a doctor about sleep apnea.
Safety & Precautions
Coriander is among the safest herbs in Ayurveda. It has been eaten daily across South Asia, the Mediterranean, and Latin America for thousands of years, and no serious toxicity is reported at standard doses. The Bhavaprakasha and Ayurveda Encyclopedia both note it as a daily food-medicine with no known drug interactions. That said, a few situations deserve attention.
Allergy: The Apiaceae Family
Coriander belongs to the Apiaceae (Umbelliferae) family, which also includes celery, carrot, fennel, dill, anise, parsley, and cumin. People allergic to one Apiaceae plant are often cross-reactive to others. If you react to celery or carrot, introduce coriander cautiously, start with a small amount and watch for oral tingling, hives, or breathing changes.
Coriander Seed Oil and Phototoxicity
The concentrated essential oil of coriander seed is distinct from the seed itself. Like other Apiaceae oils, it contains furanocoumarins that can cause photosensitivity, skin exposed to sunlight after topical application may develop a burn-like reaction. Use the oil only diluted, and avoid direct sun on treated skin. The whole seed and powder do not carry this risk.
Imported Cilantro and Heavy Metals
Cilantro has a genuine ability to bind heavy metals, which is partly why it features in natural chelation protocols. The flip side: cilantro grown in contaminated soil or irrigated with polluted water can itself accumulate lead, cadmium, or arsenic. Choose organic or locally grown cilantro when possible, and be cautious with unverified bulk imports.
Blood Sugar and Diabetes Medication
Coriander seed has a mild blood-sugar-lowering effect, which is usually a benefit. If you are on insulin or oral diabetes medication, concentrated coriander preparations (decoctions, tinctures, seed water as daily therapy) may add to that effect. Monitor your glucose and let your doctor know.
Pregnancy, Nursing, and General Caution
Food-quantity coriander is considered safe in pregnancy. Therapeutic doses of concentrated extracts should be cleared with a practitioner. The Ayurveda Encyclopedia notes one classical caution: coriander should not be used in extreme Vayu (Vata) nerve-tissue deficiency, a specific clinical condition where its cooling, drying quality could aggravate dryness. For everyday digestive and urinary use, this caution rarely applies.
Overdose
Excessive intake, far beyond culinary amounts, may cause mild drowsiness, loose stools, or lowered blood pressure. These resolve by reducing the dose. There is no reported toxic threshold for normal dietary or therapeutic use.
Other Herbs for Nightmares
See all herbs for nightmares on the Nightmares page.
▶ Classical Text References (4 sources)
107 आ का त तमधुरा मू ला न च प तकृत ् Ardrika (coriander) is bitter and sweet in taste, diuretic and does not increase pitta.
— Astanga Hridaya, Chapter 6: Annaswaroopa Food
Shuka Dhanya Varga – Group of corns with spikes – अथ शूकधा य वगः र तो महान ् सकलम तूणकः शकुना तः सारामख ु ो द घशक ु ो रो शूकः सग ु ि धकः १ पु ः पा डुः पु डर कः मोदो गौरसा रवौ का चनो म हषः शूको द ूषकः कुसुमा डकः २ ला गला लोहवाला याः कदमाः शीतभी काः पत गा तपनीया च ये चा ये शालयः शुभाः ३ Types of rice – Rakta (red), mahan (big sized rice), kalama, turnaka, shakunahruta, saaramukha, deerghashuka (having long sharp spike at the ends), sugandhika (having good smell), rodhrashuka, pundra, pandu,
— Astanga Hridaya, Chapter 6: Annaswaroopa Food
– 10 – 11 Truna dhanya Varga – group of grains produced by grass like plants – क गक ु ो वनीवार यामाका द हमं लघु ११ त ृणधा यं पवनकृ लेखनं कफ प त त ् Kangu, Kodrava, Neevara, Shyamaka and other grains are cold in potency, easily digestible, increases Vata, Lekhana (scraping, scarificient) and balance Kapha and Pitta.
— Astanga Hridaya, Chapter 6: Annaswaroopa Food
21-24 योषकटवीवरा श ु वड गा त वषाि थराः ह गुस ौवचलाजाजीयवानीधा य च काः नशी ब ृह यौ हपुषा पाठामूलं च के बुकात ् एषां चूण मधु घ ृतं तैलं च सदशांशकम ् स तु भः षोडशगुणैयु तं पीतं नहि त तत ् अ त थौ या दकान ् सवा ोगान यां च त वधान ् ोगकामलाि व वासकासगल हान ् बु मेधा म ृ तकरं स न या ने च द पनम ् Powder of Vyosha- (Trikatu – pepper, long pepper and ginger), Katvi, Vara (Triphala), Shigru (drum stick), Vidanga (False black pepper – Embelia ribes), Ativisha, Sthira (Desmodium gangeticum), Hingu – (A
— Astanga Hridaya, Chapter 14: Dvividha Upakramaneeya
it should be neglected and allowed to remain inside for the night; Next morning he is made to drink warm water either processed with ginger and coriander or plain.
— Astanga Hridaya, Chapter 19: Vasti Vidhi Enema
Source: Astanga Hridaya, Ch. 6, Ch. 6, Ch. 6, Ch. 14, Ch. 19
107 आ का त तमधुरा मू ला न च प तकृत ् Ardrika (coriander) is bitter and sweet in taste, diuretic and does not increase pitta.
— Astanga Hridaya Sutrasthan, Annaswaroopa Food
Next morning he is made to drink warm water either processed with ginger and coriander or plain.
— Astanga Hridaya Sutrasthan, Vasti Vidhi Enema
Source: Astanga Hridaya Sutrasthan, Annaswaroopa Food; Vasti Vidhi Enema
Make paste of 10 gm each of chitraka, coriander, ajawan, cumin, sauvarchala-salt, trikatu, amlavetasa, bilva, pomegranate, yavakṣāra, pippalimula and chavya;
— Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 12: Edema Treatment (Shvayathu Chikitsa / श्वयथुचिकित्सा)
Take kuṣṭha, aguru, devadāru, kaunti, cinnamon, padmaka, cardamom, sugandhabālā, palāśa, mustaka, priyangu, thauneyaka, nāgakeśara, jatāmāmsi, tālisapatra, plava, tejapatra, coriander, sriveshtaka, dhyāmaka, piper longum, sprikkā and nakha.
— Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 12: Edema Treatment (Shvayathu Chikitsa / श्वयथुचिकित्सा)
If the patient is suffering from the above mentioned diseases and has become miserably afflicted with thirst and craving for water and if he does not get water, he may soon die or be afflicted with chronic illness then such thirsty patient may drink coriander water mixed with honey and sugar, or other medicated water which is wholesome in this condition.
— Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 22: Thirst Disorders Treatment (Trishna Chikitsa / तृष्णाचिकित्सा)
or with pomegranate juice, trijataka individual and coriander seed, black pepper and fresh ginger shall be served as thick soup with warm pupa.
— Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 24: Alcoholism Treatment (Madatyaya Chikitsa / मदात्ययचिकित्सा)
Post meal if thirsty, varuni froth, pomegranate juice, boiled and cool water with panchamla, dhanyaka (coriander seed), ginger, froth of curd, froth of sour gruel, vinegar water shall be given to the person.
— Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 24: Alcoholism Treatment (Madatyaya Chikitsa / मदात्ययचिकित्सा)
Source: Charaka Samhita, Chikitsa Sthana — Therapeutic Principles, Chapter 12: Edema Treatment (Shvayathu Chikitsa / श्वयथुचिकित्सा); Chikitsa Sthana — Therapeutic Principles, Chapter 22: Thirst Disorders Treatment (Trishna Chikitsa / तृष्णाचिकित्सा); Chikitsa Sthana — Therapeutic Principles, Chapter 24: Alcoholism Treatment (Madatyaya Chikitsa / मदात्ययचिकित्सा)
Regarding drug conventions: only fresh substances should be used in all procedures, except for Vidanga (Embelia ribes), Krishna (Piper longum), Guda (jaggery), Dhanya (coriander), Ajya (ghee), and Makshika (honey).
— Sharangadhara Samhita, Purva Khanda, Chapter 1: Paribhashakathana (Definitions)
In Pitta Jvara (Pitta-type fever): Chandana (sandalwood — Santalum album), Ushira (vetiver — Vetiveria zizanioides), Padma (lotus), Utpala (blue lotus — Nymphaea stellata), Dhanyaka (coriander — Coriandrum sativum), Parpata (Fumaria indica), Nanaka, and Musta (Cyperus rotundus) should be decocted.
— Sharangadhara Samhita, Madhyama Khanda, Chapter 2: Kvathakalpana (Decoction Preparations)
Lavanbhaskar Churna: Sauvarchala (Sochal salt), Vida (Vida salt), Kacha salt, Samudra (sea salt), and Saindhava (rock salt), along with Dhanyaka (coriander — Coriandrum sativum), Pippali (long pepper), Shunthi (dry ginger), Talisa (Abies webbiana), and Nagakeshara (Mesua ferrea) —.
— Sharangadhara Samhita, Madhyama Khanda, Chapter 3: Churnakalpana (Powder Preparations)
For the Anuvasita patient experiencing complications, give comfortable warm water or a decoction of Dhanya (coriander) and Shunthi (dry ginger) to counter adverse effects of Sneha.
— Sharangadhara Samhita, Uttara Khanda, Chapter 5: Sneha Basti Vidhi (Oil Enema Therapy)
A paste of Lodhra (Symplocos racemosa), Dhanya (coriander, Coriandrum sativum), and Vacha (Acorus calamus) removes Tarunya Pitika (youthful acne).
— Sharangadhara Samhita, Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
Source: Sharangadhara Samhita, Purva Khanda, Chapter 1: Paribhashakathana (Definitions); Madhyama Khanda, Chapter 2: Kvathakalpana (Decoction Preparations); Madhyama Khanda, Chapter 3: Churnakalpana (Powder Preparations); Uttara Khanda, Chapter 5: Sneha Basti Vidhi (Oil Enema Therapy); Uttara Khanda, Chapter 11: Lepa Vidhi (Topical Paste Application)
Medical Disclaimer: The information on this page is for educational purposes only and is not intended as medical advice. Ayurvedic treatments should be pursued under the guidance of a qualified practitioner (BAMS/MD Ayurveda). Always consult your healthcare provider before starting any new treatment. Content is sourced from classical Ayurvedic texts and may not reflect the latest medical research.