SleepCited

Omega-3 Fatty Acids for Insomnia

A Strong

Based on 92 studies (9 meta-analyses, 18 RCTs) with 37,338 total participants. 66/92 studies show positive effects.

Key Statistics

92

Studies

37338

Participants

Positive

A Strong

Grade

Referenced Papers

Journal of ethnopharmacology 2024 6 citations
International journal of … 2023 43 citations
Neurologia 2022 78 citations
Neurologia 2022 47 citations
Journal of ethnopharmacology 2020 85 citations
The Cochrane database … 2019 24 citations
Annual review of … 2016 557 citations
Sleep medicine reviews 2015 152 citations
Biological & pharmaceutical … 2014 110 citations
The Cochrane database … 2014 56 citations
Profiles of drug … 2013 26 citations
Journal of pineal … 2012 322 citations
Anaesthesia and intensive … 2011 18 citations
Molecular medicine reports 2010 398 citations
Phytomedicine : international … 2010 148 citations
Nutrition journal 2004 72 citations
Revista de neurologia 2002 35 citations
Psychosomatic medicine 1999 136 citations
Postgraduate medical journal 1998 17 citations
American family physician 1997
Electroencephalography and clinical … 1984 2 citations

Dosage & Usage

Commonly Used Dosages

sleep:
600-1,000 mg DHA/day
general:
250-500 mg EPA+DHA/day

Upper limit: 3,000 mg/day EPA+DHA

Dosages Studied in Research

Dosage Duration Effect N
Mediterranean diet (high adherence vs. low adherence); polyphenols, omega-3, fiber as key components -- Positive --
Ashwagandha extract 600 mg/day (prior to discontinuation) -- Negative 1
125 mg Zenroot (Ashwagandha with 1.5% total withanolides) daily 12 weeks Positive 90
60 and 100 mg/kg (mice); 100 and 200 µg/mL (HT-22 cells); withanolide A 1.56 and 3.12 µg/mL -- Positive --
flaxseed powder 20 g/day for 8 weeks 8 weeks Positive 68
Not applicable (Mendelian randomization using genetic instruments/SNPs) -- Positive --
None -- Neutral --
None -- Positive --

Best taken: With a meal; morning or evening

Safety & Side Effects

Reported Side Effects

  • Fishy aftertaste or burps
  • GI upset
  • Diarrhea
  • Easy bruising at high doses

Known Interactions

  • Blood thinners (warfarin) — omega-3 may enhance anticoagulant effects
  • Blood pressure medications — additive hypotensive effects
  • Orlistat — may reduce omega-3 absorption

Tolerable upper intake: 3,000 mg/day EPA+DHA

Always consult your healthcare provider before starting any supplement.

Frequently Asked Questions

Does Omega-3 Fatty Acids help with Insomnia?
Based on 92 studies with 37,338 participants, there is strong evidence from multiple clinical trials that Omega-3 Fatty Acids may support Insomnia management. Our evidence grade is A (Strong).
How much Omega-3 Fatty Acids should I take for Insomnia?
Studies have used various dosages. A commonly studied range is 600-1,000 mg DHA/day. Always consult your healthcare provider before starting any supplement regimen.
Are there side effects of Omega-3 Fatty Acids?
Reported side effects may include Fishy aftertaste or burps, GI upset, Diarrhea, Easy bruising at high doses. Most side effects are mild and dose-dependent. Consult your doctor if you experience any adverse reactions.
How strong is the evidence for Omega-3 Fatty Acids and Insomnia?
We rate the evidence as Grade A (Strong). This rating is based on 92 peer-reviewed studies with 37,338 total participants. The overall direction of effect is positive.

Related Evidence

FDA Disclaimer: These statements have not been evaluated by the Food and Drug Administration. The products and information on this website are not intended to diagnose, treat, cure, or prevent any disease. The evidence grades presented are based on our analysis of published peer-reviewed research and do not constitute medical advice. Always consult your healthcare provider before starting any supplement regimen.