Ashwagandha pour Sleep-Related Cognitive Impairment

Q: Does Ashwagandha help with Sleep-Related Cognitive Impairment?

Based on 6 studies with 500 participants, there is limited but promising evidence that Ashwagandha may support Sleep-Related Cognitive Impairment management. Our evidence grade is C (Some Evidence).

Q: How much Ashwagandha should I take for Sleep-Related Cognitive Impairment?

Studies have used various dosages. A commonly studied range is 300-600 mg/day of root extract (KSM-66 or Sensoril). Always consult your healthcare provider before starting any supplement regimen.

Q: Are there side effects of Ashwagandha?

Reported side effects may include Drowsiness, Gastrointestinal discomfort, Rare: liver injury (with contaminated or high-dose products), Thyroid hormone elevation (may affect thyroid medications). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

Q: How strong is the evidence for Ashwagandha and Sleep-Related Cognitive Impairment?

We rate the evidence as Grade C (Some Evidence). This rating is based on 6 peer-reviewed studies with 500 total participants. The overall direction of effect is positive.

Research suggests KSM-66 ashwagandha may help improve sleep quality and next-morning cognitive performance in stressed adults through cortisol modulation.

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En conclusion

Research suggests KSM-66 ashwagandha may help improve sleep quality and next-morning cognitive performance in stressed adults through cortisol modulation.

Key Study Findings

Review

The Clinical Implications of Ashwagandha (Withania somnifera L.) with a Special Reference to Side Effects-A …

Dose: None vs: None Outcome: None Effet: None None

Population: narrative review of ashwagandha clinical trials and basic research (1994-present)

preclinical animal/in vitro study

Ashwagandha (Withania somnifera (L.) dunal) root extract containing withanolide a alleviates depression-like behavior in mice …

Dose: 60 and 100 mg/kg (mice); 100 and 200 µg/mL (HT-22 cells); withanolide A 1.56 and 3.12 µg/mL vs: Placebo Effet: None None

animal_study

Hydroalcoholic Extract of Ashwagandha Improves Sleep by Modulating GABA/Histamine Receptors and EEG Slow-Wave Pattern in …

Dose: 10, 25, or 50 mg/kg body weight ashwagandha extract (AE, 35% withanolide glycosides, Shoden) vs: Placebo Effet: At 50 mg/kg: 34% decrease in sleep onset time (p<0.0001); 47% increase in sleep duration (p<0.0001); <0.0001

In Vitro

Ashwagandha (Withania somnifera) root extract attenuates hepatic and cognitive deficits in thioacetamide-induced rat model of …

Dose: ASH root extract 200 mg/kg and 400 mg/kg for 29 days (rat model) vs: Placebo Effet: ASH improved locomotor and cognitive deficits, serum hepatotoxicity indices, oxidative stress marker

Key Statistics

Études

500

Participants

↑

Positive

Note

Referenced Papers

The Clinical Implications of Ashwagandha (Withania somnifera L.) with a Special Reference to Side Effects-A Review. Review

Nutrients 2026

Ashwagandha (Withania somnifera (L.) dunal) root extract containing withanolide a alleviates depression-like behavior in mice by enhancing the brain-derived neurotrophic … Other

Journal of ethnopharmacology 2025 9 citations

Hydroalcoholic Extract of Ashwagandha Improves Sleep by Modulating GABA/Histamine Receptors and EEG Slow-Wave Pattern in In Vitro - In Vivo … Other

Preventive nutrition and … 2022 18 citations

Ashwagandha (Withania somnifera) root extract attenuates hepatic and cognitive deficits in thioacetamide-induced rat model of hepatic encephalopathy via induction of … Other

Journal of ethnopharmacology 2021 69 citations

Neurodegenerative diseases and Withania somnifera (L.): An update. Review

Journal of ethnopharmacology 2020 85 citations

Dosage & Usage

mg = milligrams · mcg = micrograms (1,000× smaller) · IU = International Units

Posologies couramment utilisées

general:: 300-600 mg/day of root extract (KSM-66 or Sensoril)
cognitivesupport:: 600 mg/day

Limite supérieure : Not established; well-tolerated up to 1,250 mg/day

Posologies étudiées dans la recherche

Posologie	Durée	Effet	N
None	--	Positive	--
60 and 100 mg/kg (mice); 100 and 200 µg/mL (HT-22 cells); withanolide A 1.56 and 3.12 µg/mL	--	Positive	--
10, 25, or 50 mg/kg body weight ashwagandha extract (AE, 35% withanolide glycosides, Shoden)	--	Positive	--
ASH root extract 200 mg/kg and 400 mg/kg for 29 days (rat model)	--	Positive	--

Moment optimal de prise : With meals; morning or evening depending on individual response

Safety & Side Effects

Effets indésirables signalés

⚠ Drowsiness
⚠ Gastrointestinal discomfort
⚠ Rare: liver injury (with contaminated or high-dose products)
⚠ Thyroid hormone elevation (may affect thyroid medications)

Interactions connues

● Thyroid medications (may increase thyroid hormone levels)
● Sedative medications (additive CNS depression)
● Immunosuppressants (may stimulate immune activity)
● Diabetes medications (may lower blood sugar)

Apport maximal tolérable : Not established; well-tolerated up to 1,250 mg/day

Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.Consultez toujours votre professionnel de santé avant de commencer tout complément alimentaire.

Frequently Asked Questions

Does Ashwagandha help with Sleep-Related Cognitive Impairment?

Based on 6 studies with 500 participants, there is limited but promising evidence that Ashwagandha may support Sleep-Related Cognitive Impairment management. Our evidence grade is C (Some Evidence).

How much Ashwagandha should I take for Sleep-Related Cognitive Impairment?

Studies have used various dosages. A commonly studied range is 300-600 mg/day of root extract (KSM-66 or Sensoril). Always consult your healthcare provider before starting any supplement regimen.

Are there side effects of Ashwagandha?

Reported side effects may include Drowsiness, Gastrointestinal discomfort, Rare: liver injury (with contaminated or high-dose products), Thyroid hormone elevation (may affect thyroid medications). Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.

How strong is the evidence for Ashwagandha and Sleep-Related Cognitive Impairment?

We rate the evidence as Grade C (Some Evidence). This rating is based on 6 peer-reviewed studies with 500 total participants. The overall direction of effect is positive.

Related Evidence

Autres ingrédients pour Sleep-Related Cognitive Impairment

Melatonin C L-Theanine C Magnesium L-Threonate C Creatine C

Ashwagandha pour d'autres pathologies

Stress-Induced Cognitive Decline B Anxiety-Related Cognitive Impairment B

Verdict rapide

Research suggests KSM-66 ashwagandha may help improve sleep quality and next-morning cognitive performance in stressed adults through cortisol modulation.

Evidence Strength52%

Moderate confidence

Synthèse des études

RCT (0)Meta (0)Other (6)

Comparer les alternatives

Découvrez comment d'autres ingrédients se comparent pour cette condition.Découvrez comment d'autres ingrédients se comparent pour cette pathologie.

Voir tous les ingrédients pour Sleep-Related Cognitive Impairment

En savoir plus

Avertissement FDA: Ces déclarations n'ont pas été évaluées par la Food and Drug Administration. Les produits et informations sur ce site ne sont pas destinés à diagnostiquer, traiter, guérir ou prévenir quelque maladie que ce soit. Les notes de preuve présentées sont basées sur notre analyse de la recherche publiée et évaluée par des pairs et ne constituent pas un avis médical. Consultez toujours votre professionnel de santé avant de commencer tout régime de compléments alimentaires.