Ashwagandha ingestion is temporally associated with acute neurotoxicity including prolonged sleep, abnormal sleep behaviors, acute confusion, and retrograde amnesia.
A 40-year-old man developed prolonged sleep, abnormal sleep behaviors, acute confusion, and retrograde amnesia after ingesting ashwagandha. Comprehensive evaluation excluded other causes, and symptoms resolved completely upon discontinuation and supportive care.
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Ashwagandha ingestion is temporally associated with acute neurotoxicity including prolonged sleep, abnormal sleep behaviors, acute confusion, and retrograde amnesia. The current body of evidence comprises 1 study. EvidenceHub rates the overall confidence at 32/100 (low).
The Claim
Ashwagandha ingestion is temporally associated with acute neurotoxicity including prolonged sleep, abnormal sleep behaviors, acute confusion, and retrograde amnesia.
This conclusion is most relevant to: A 40-year-old man.
What the Research Shows
The conclusion draws on 1 linked study. Highlights from the cited literature:
- ▸Parasomnia, Acute Confusion, and Transient Amnesia Temporally Associated With Ashwagandha Ingestion. (Cureus, 2025) —
How It Works
The proposed biological pathway:
- ▸Withanolides in ashwagandha modulate GABAergic activity
- ▸Interindividual variability in drug metabolism affects susceptibility
- ▸GABAergic modulation leads to neuropsychiatric effects
- ▸Result: acute neurotoxicity with confusion, amnesia, and sleep disturbances
Who Might Benefit
Evidence fit by population:
- ▸A 40-year-old man
Recommended Dose
N/A
Limitations & Caveats
Important context when interpreting this evidence:
- ▸Single case report, not generalizable to broader population
- ▸No control group or blinding; causality cannot be definitively established
Frequently Asked Questions
What is ashwagandha?▼
Ashwagandha (Withania somnifera) is an adaptogenic herbal supplement commonly used for stress reduction and wellness.
What adverse effects were reported in this case?▼
The patient experienced prolonged sleep, abnormal sleep behaviors, acute confusion, and retrograde amnesia.
Did the symptoms resolve?▼
Yes, complete symptom resolution occurred after discontinuing ashwagandha and providing supportive management.
What is the proposed mechanism for these effects?▼
The effects may be due to GABAergic modulation by withanolides, with individual differences in metabolism increasing susceptibility.
References
- 1.Anuththara T, Amin SS, Sebastiampillai B. “Parasomnia, Acute Confusion, and Transient Amnesia Temporally Associated With Ashwagandha Ingestion..” Cureus, 2025. PMID: 41322767 DOI: 10.7759/cureus.95438