Mostly false Not supported by high-quality evidence Certainty of evidence: low provisional C-EGG-01

Eating eggs causes snoring, sinusitis and nightmares in (practically) everyone who eats them, and stopping eggs and chicken relieves headaches.

Safety note: Chronic sinus symptoms, loud snoring with breathing pauses (possible sleep apnoea) and recurrent headaches can have treatable medical causes; they should be evaluated by a doctor rather than attributed to eggs alone.
In short: This claim is mostly false: egg allergy affects fewer than 1 in 100 people in tested European data, and no study shows that eggs cause snoring, sinusitis or nightmares in people in general. People who react to eggs should have this checked by a doctor.
Conclusion: Eggs can cause symptoms in people with egg allergy, but there is no evidence that eggs cause snoring, sinusitis or nightmares in general.

Original statement

ما حدش بياكل بيض وما تضرش منه ما حدش بياكل بيض وما بيشخرش ما حدش بياكل بيض وما عندوش جيوب انفيه ما حدش بياكل بيض وما بيجيوش كوابيس

verbatim according to source. Translation by the project; the Arabic wording is authoritative.

Translation

Eating eggs causes snoring, sinusitis and nightmares in (practically) everyone who eats them, and stopping eggs and chicken relieves headaches.

Origin

Source status
Video transcript (own words)
Attribution
Elawady (machine transcript)
Video
Dr Diaa Al Awady د ضياء العوضي is live!لايف الخميس ❤️❤️❤️ (Open source)
Published
30 January 2026
Timestamp
1:40:16 (location in the original video’s automatic YouTube caption track; confirms where the words occur, not who speaks)
Attribution uncertainty
Archive transcript (YouTube CC or AI-generated); wording may contain transcription errors; no timestamps available.
Claimed mechanism

Not specified in the transcript; a third-party site attributes symptoms to excess histamine release triggered by 'forbidden' foods.

Claimed health effect

Snoring, sinusitis (nasal sinus problems), nightmares, headaches.

Population concerned

general population (not specified)

Geographic restriction by Elawady

none found

Diverging source versions

Source status
Archive quote (no location given)
Attribution
Elawady (archive paraphrase; source video not given)
Origin
https://eltayebat.com/rule/industrial-eggs/
Attribution uncertainty
The archive presents this in a 'د. ضياء يقول' box without a video reference; exact wording by Elawady not verified.
Source status
Video transcript (own words)
Attribution
Elawady (machine transcript)
Video
Dr Diaa Al Awady د ضياء العوضي is live!دردشة صباحية (Open source)
Published
10 December 2025
Timestamp
not available (transcript has no timings)
Attribution uncertainty
Archive transcript (YouTube CC or AI-generated); wording may contain transcription errors; no timestamps available.
Source status
Video transcript (own words)
Attribution
Elawady (machine transcript)
Video
بودكاست قبل رمضان (Open source)
Published
17 February 2026
Timestamp
not available (transcript has no timings)
Attribution uncertainty
Archive transcript (YouTube CC or AI-generated); wording may contain transcription errors; no timestamps available.
Source status
Video transcript (own words)
Attribution
Elawady (machine transcript)
Video
بدأت قناة "Dr Diaa Al Awady د ضياء العوضي" بثًا مباشرًا لايف حلو (Open source)
Published
10 April 2026
Timestamp
not available (transcript has no timings)
Attribution uncertainty
Archive transcript (YouTube CC or AI-generated); wording may contain transcription errors; no timestamps available.
Source status
Third-party site (unofficial)
Attribution
Third-party site (altayybat.com); unofficial by its own statement
Origin
https://altayybat.com/ar/
Attribution uncertainty
Lowest attribution level; the site declares it is not affiliated with Dr. Diaa Elawady.

Scientific assessment

Mostly false – Essential parts of the statement are not supported by the evidence or are strongly exaggerated.

Certainty of evidence: low – Further research is likely to change the assessment considerably.

1. What was claimed?

Elawady states in a live video that nobody eats eggs without snoring, sinus problems or nightmares, and that stopping eggs makes sinus problems disappear; the archive adds that stopping eggs and chicken eases headaches.

2. What is demonstrably correct?

A small minority of people have egg allergy, which can include nasal symptoms. Some people report that certain foods worsen their sleep or dreams; in a 2025 survey food allergy and lactose intolerance were associated with nightmare scores. An individual who reacts to eggs can feel better after avoiding them.

3. What is wrong or exaggerated?

The statement is generalised to everyone who eats eggs. Confirmed egg allergy in Europe affects under 1% of the population in pooled challenge-verified data. In two dream surveys, the foods most often blamed for disturbing dreams were dairy and sweets, not eggs. No study links normal egg consumption to snoring or chronic sinusitis in the general population.

4. What remains unclear?

Whether non-allergic food sensitivities to eggs cause sleep or headache symptoms in a subgroup has not been studied well. Anecdotal improvements after a large diet change cannot be attributed to one food.

5. Which studies support it?

Only indirect: egg allergy exists (I-EGG-11). Food allergy and intolerance are associated with nightmare reports in a self-report survey (I-EGG-13), but in that survey eggs were named in only 3 of 131 food choices and in none for disturbing or bizarre dreams.

6. Which studies contradict it?

Low prevalence of egg allergy (I-EGG-11); eggs not among the foods blamed for disturbing dreams (I-EGG-12: eggs not mentioned; I-EGG-13: 3 of 131 food choices, none for disturbing dreams). Neither survey measured snoring, sinusitis or headache, so this evidence is very indirect. No study supporting a general effect was found.

7. What applies to Germany and Europe?

Egg allergy is a recognised food allergy; in the EU, egg is one of the allergens that must be declared on food labels. Allergy diagnosis is done by allergists (history, skin/IgE tests, oral food challenge).

8. What is known about Egypt?

No Egyptian data on egg allergy prevalence were reviewed. The claim does not depend on local production.

9. What practical conclusion is appropriate?

People who suspect that eggs cause symptoms should have this checked (e.g., allergy testing or a supervised elimination and re-challenge). There is no evidence that everyone should stop eggs to prevent snoring, sinusitis, nightmares or headaches.

Assessment details

Rationale for certainty of evidence

No study was found that tested eggs as a cause of snoring, sinusitis or nightmares in the general population; the verdict rests on indirect evidence (prevalence of egg allergy, food-and-dream surveys) and on the universal wording ('nobody who eats eggs ...'), which is contradicted by everyday observation. Absence of direct trials lowers certainty.

Source quality

Own words in machine transcripts (several videos, consistent message) plus an archive paraphrase; supported only by anecdotes from callers.

Regional transferability

The claim is universal; nothing in it depends on region or production system.

Individual exceptions

Egg allergy is real: in Europe the pooled point prevalence of food-challenge-verified egg allergy is 0.8% (95% CI 0.5-1.2), mostly in children. In allergic people eggs can cause nasal and other symptoms. Food intolerances can also be associated with poor sleep and nightmares in surveys.

Regional scope of the claim
not specified
Last reviewed
26 October 2026 provisional

Scientific evidence in detail

Not supported by high-quality evidence – There is no good evidence for the claim; this alone does not prove it wrong.

Research question: In the general population, does habitual egg consumption cause snoring, sinusitis or nightmares in (practically) everyone, and does stopping eggs (and chicken) relieve headaches?

Research question in detail (PECO)
Population
General population (children and adults) eating eggs
Intervention or exposure
Habitual egg consumption; egg (and chicken) elimination
Comparison
No or lower egg consumption; usual diet
Geographic scope
universal biology
Outcomes
  • snoring / sleep-disordered breathing
  • chronic sinusitis / rhinitis
  • nightmares
  • headache frequency

Study results as reported by the authors. Our assessment follows below.

What speaks for the claim?

  • Food sensitivities and nightmares

    Nielsen T et al.. Front Psychol 2025 · PMID 40667395 · DOI 10.3389/fpsyg.2025.1544475 Cross-sectional studyfull text, structured risk-of-bias assessment

    Large dream survey: food sensitivity and late eating were associated with worse sleep and disturbing dreams in a minority.

    Actual result
    5.5% (59/1,076) reported food-dependent dreams; eggs were named in only 3 of 131 food choices and none for disturbing dreams.
    Methodological quality
    low (self-report cross-sectional survey)
    Relevance
    indirect: shows food-dream links in a minority, not egg-specific
    Limitations
    No snoring, sinusitis or headache outcomes; self-report.

    Original publication

  • How common are food allergies in Europe?

    Spolidoro GCI et al.. Allergy 2023 · PMID 37405695 · DOI 10.1111/all.15801 Meta-analysisabstract checked

    Egg allergy exists and can cause symptoms, including nasal symptoms, in allergic people.

    Actual result
    Challenge-verified egg allergy point prevalence in Europe 0.8% (0.5-1.2).
    Methodological quality
    high (systematic review and meta-analysis)
    Relevance
    indirect: supports symptoms in a small allergic minority only
    Limitations
    Mostly children; does not address non-allergic symptoms.

    Original publication

What speaks against the claim?

  • How common are food allergies in Europe?

    Spolidoro GCI et al.. Allergy 2023 · PMID 37405695 · DOI 10.1111/all.15801 Meta-analysisabstract checked

    Confirmed egg allergy is rare, so egg-induced symptoms cannot apply to 'practically everyone'.

    Actual result
    Food-challenge-verified prevalence 0.8% (0.5-1.2); self-reported lifetime 2.4%.
    Methodological quality
    high
    Relevance
    direct for the 'everyone' wording
    Limitations
    Does not measure snoring or nightmares.

    Original publication

  • Cutting out 'intolerant' foods did not clearly prevent headaches

    Mitchell N et al.. Nutr J 2011 · PMID 21835022 · DOI 10.1186/1475-2891-10-85 Randomised controlled trialabstract checkednewly added

    Sham-controlled RCT of elimination diets based on IgG food tests did not reduce headache days at the primary 12-week endpoint.

    Actual result
    IRR 1.15 (0.94-1.41), p = 0.18 at 12 weeks; IRR 1.23 (1.01-1.50) at 4 weeks.
    Methodological quality
    moderate (RCT, but unvalidated IgG testing; egg not analysed separately)
    Relevance
    indirect for the headache part
    Limitations
    Individualised eliminations; not egg-specific.

    Original publication

  • Which foods do people blame for bad dreams?

    Nielsen T, Powell RA. Front Psychol 2015 · PMID 25741294 · DOI 10.3389/fpsyg.2015.00047 Cross-sectional studyfull text, structured risk-of-bias assessment

    Dream survey: people blamed dairy and sweets, not eggs, for disturbing dreams.

    Actual result
    Dairy named for disturbing dreams by 14/32 (43.8%); eggs not mentioned.
    Methodological quality
    low (survey)
    Relevance
    indirect
    Limitations
    Self-report; small subgroup.

    Original publication

What does the overall evidence say?

Editorial assessment based on the studies above – not itself a study result.

Which position is better supported?

Eggs do not cause snoring, sinusitis or nightmares in people in general; egg-related symptoms occur in the small minority with egg allergy.

Why some studies weigh more

Allergy prevalence data (high-quality meta-analysis) directly contradict the universal wording. No study tested eggs against snoring, sinusitis or nightmares; dream surveys and the elimination-diet RCT are indirect.

Is a causal relationship established? Not established No study examined eggs as a cause of snoring, sinusitis or nightmares; the only randomized test of food elimination for headaches was null at its primary endpoint.

Remaining uncertainty

Non-allergic food sensitivities in individuals have not been studied well; anecdotal improvement after major diet change cannot be attributed to eggs.

Justified conclusion

The universal claim is not supported; individual reactions should be clarified by allergy testing or supervised elimination and re-challenge.

Why do studies seem to disagree?

No real conflict: supporting data concern a small allergic subgroup or self-reported food-dream beliefs; contradicting data concern population prevalence. They answer different questions.

Does this depend on the country?
General biological effects
Allergy mechanisms are universal.
Eating habits
Not relevant to the universal claim.
Origin of the food
Not relevant.
Contaminants
Not relevant.
National production conditions
Not relevant.
Legal rules
Egg is a mandatory-labelled allergen in the EU.
Actual monitoring data
No Egyptian egg-allergy prevalence data reviewed.

A regional difference that changes the conclusion is not supported by robust data.

Statistical re-check
  • Primary vs secondary endpoint; multiplicity – Primary 12-week IRR 1.15 (0.94-1.41) null; 4-week result is a secondary time point and should not be over-read. not recalculable from the published data
Certainty of the overall evidence (GRADE, simplified)
Main outcome
Snoring/sinusitis/nightmares/headache caused by eggs in the general population
Starting level
low (observational studies)
Reasons for downgrading
  • indirectness (no study measures these outcomes for eggs)
  • imprecision
Result
low

Simplified assessment by a single reviewer, following the GRADE approach; not a formal GRADE panel. GRADE rates the body of evidence for one outcome, not individual studies.

Search strategy

Documented literature searches for this review (search strings in the original database syntax).

DatabaseDateSearchLooking forHitsIncluded
Europe PMC26 October 2026(TITLE:egg* OR TITLE:"food allerg*" OR TITLE:"food hypersensitivity") AND (TITLE:snoring OR TITLE:sinusitis OR TITLE:rhinosinusitis OR TITLE:nightmare* OR TITLE:"sleep apnea" OR TITLE:"sleep apnoea")supporting evidence11
PubMed26 October 2026(elimination diet[ti] OR food[ti]) AND (migraine[ti] OR headache[ti]) AND (randomized controlled trial[pt] OR meta-analysis[pt]) AND (IgG OR egg)supporting evidence3
Europe PMC26 October 2026(TITLE:"food allerg*" OR TITLE:"food sensitization") AND (TITLE:"rhinosinusitis" OR TITLE:"rhinitis") AND (TITLE:prevalence OR TITLE:cohort OR TITLE:"systematic review" OR TITLE:"mendelian")contradicting evidence0
PubMed26 October 2026(egg[ti] OR eggs[ti]) AND (snoring[tiab] OR sinusitis[tiab] OR rhinitis[tiab] OR nightmares[tiab] OR headache[tiab])supporting evidence45
PubMed26 October 2026egg allergy[ti] AND (rhinitis[tiab] OR respiratory symptoms[tiab]) AND (prevalence[tiab] OR oral food challenge[tiab])contradicting evidence2
Europe PMC26 October 2026(TITLE:"egg allergy" OR TITLE:"egg hypersensitivity") AND (TITLE:prevalence OR TITLE:"natural history" OR TITLE:resolution) AND (TITLE:"systematic review" OR TITLE:"meta-analysis" OR TITLE:cohort)contradicting evidence5

Open questions

Prevalence of egg allergy and non-allergic egg intolerance in Egypt.

How deeply was this checked?

4 linked studies: 2 checked in full text (2 of them with a structured risk-of-bias assessment), 2 on the basis of the abstract, 0 bibliographically only. No formal assessment with two independent reviewers and no independent human expert review has taken place yet.

Last scientific review: 26 October 2026

History of the verdict
  1. 25 October 2026 · Phase 1 · Initial assessment: Mostly false (low)
  2. 26 October 2026 · Phase 4 (systematic evidence review) · Re-examined with extended evidence; verdict unchanged: Mostly false (low)
    Additional searches (PubMed, Europe PMC) found no study linking eggs to snoring, sinusitis or nightmares; one sham-controlled RCT of food elimination for headaches was null at its primary endpoint. The evidence base does not change the conclusion.
    New sources: I-EGG-107

In plain language

Dr. Elawady said that everyone who eats eggs snores, has sinus problems or has nightmares. Research does not support this. True egg allergy exists, but in Europe it affects fewer than 1 in 100 people in tested studies, mostly children. In surveys about food and dreams, people most often blamed dairy products and sweets, not eggs. If you notice symptoms after eating eggs, an allergy test can clarify whether eggs are the cause.

Studies on this claim

Studies supporting the claim (0)

No studies in this group.

Studies contradicting or limiting the claim (3)

  • How common are food allergies in Europe?

    Spolidoro GCI et al.. Allergy 2023 · PMID 37405695 · DOI 10.1111/all.15801
    Meta-analysisindependent cross-checkabstract checked★ key study

    Confirmed egg allergy affects about 0.8% of people; 2.4% believe they have it.

    Eating eggs causes snoring, sinusitis and nightmares in (practically) everyone who eats them, and stopping eggs and chicken relieves headaches.

    Does the study support the specific claim? No · Methodological quality: high · Certainty of evidence: see overall assessment of the claim

    Original publication · Scientific details

    Study explained simply
    What did the researchers want to find out?

    Prevalence of the eight big food allergies in Europe

    How was the study done?

    Systematic review and meta-analysis (EAACI update; PROSPERO CRD42021266657)

    How many people, animals or samples were studied?

    93 studies; European populations, all ages

    What was actually found?

    Egg: self-reported lifetime 2.4% (1.8-3.0); food-challenge-verified point prevalence 0.8% (0.5-1.2).

    How large was the observed effect?

    Pooled prevalence

    What do the results mean in everyday life?

    Egg allergy is real but uncommon.

    What are the study's limitations?

    Most studies moderate risk of bias

    What does it say about Elawady's specific claim?

    Contradicts universal harm; supports individual exceptions.

    Do the results apply to Germany and Europe?

    High.

    What can explicitly not be concluded from this study?

    Says nothing about snoring or nightmares directly.

    Scientific details →

  • Which foods do people blame for bad dreams?

    Nielsen T, Powell RA. Front Psychol 2015 · PMID 25741294 · DOI 10.3389/fpsyg.2015.00047
    Cross-sectional studyindependent cross-checkfull text, structured risk-of-bias assessment

    About one in six students thought food affected their dreams, mostly dairy.

    Eating eggs causes snoring, sinusitis and nightmares in (practically) everyone who eats them, and stopping eggs and chicken relieves headaches.

    Does the study support the specific claim? No · Methodological quality: low · Certainty of evidence: see overall assessment of the claim

    Original publication · Scientific details

    Study explained simply
    What did the researchers want to find out?

    How common is perceived food-dependent dreaming, and which foods are blamed?

    How was the study done?

    Questionnaire survey of students

    How many people, animals or samples were studied?

    396 students; Students

    What was actually found?

    17.8% (68/382) thought food or late eating affected their dreams. Among the few who named foods (32 and 26 people), dairy was blamed most (44% for disturbing, 39% for bizarre dreams); sweets, spicy and starchy foods and meat followed; eggs and chicken were not mentioned.

    How large was the observed effect?

    Associations

    What do the results mean in everyday life?

    Bad dreams relate more to poor sleep and eating habits.

    What are the study's limitations?

    Psychology students given course credit; self-reported beliefs; only about 30 people named foods; many untested-for-chance comparisons

    What does it say about Elawady's specific claim?

    Does not support egg/chicken claims.

    Do the results apply to Germany and Europe?

    Moderate.

    What can explicitly not be concluded from this study?

    Cannot show that any food causes bad dreams, and says nothing about snoring, sinusitis or headaches.

    Scientific details →

  • Food sensitivities and nightmares

    Nielsen T et al.. Front Psychol 2025 · PMID 40667395 · DOI 10.3389/fpsyg.2025.1544475
    Cross-sectional studyindependent cross-checkfull text, structured risk-of-bias assessment

    Only 5.5% of students thought food affected their dreams, mostly sweets and dairy; eggs were rarely named. People with food allergy or lactose intolerance reported more nightmares.

    Eating eggs causes snoring, sinusitis and nightmares in (practically) everyone who eats them, and stopping eggs and chicken relieves headaches.

    Does the study support the specific claim? No · Methodological quality: low · Certainty of evidence: see overall assessment of the claim

    Original publication · Scientific details

    Study explained simply
    What did the researchers want to find out?

    Why do people perceive that food affects dreams?

    How was the study done?

    Online survey

    How many people, animals or samples were studied?

    1,082; Online participants

    What was actually found?

    5.5% (59/1,076) reported food affected dreams; sweets (30%) and dairy (21%) were blamed most, meat 8%, eggs 2% (3 mentions, none for disturbing dreams). Food allergy and lactose intolerance were linked with higher nightmare scores, the latter partly via gut symptoms.

    How large was the observed effect?

    Associations; mediation

    What do the results mean in everyday life?

    Digestive discomfort may disturb sleep.

    What are the study's limitations?

    Students given course credit; everything self-reported; only 59 people perceived food effects; cross-sectional; many tests

    What does it say about Elawady's specific claim?

    Partly supports individual food-sensitivity effects on dreams; does not support a general effect of eggs or chicken (eggs rarely named, chicken not separated).

    Do the results apply to Germany and Europe?

    Moderate.

    What can explicitly not be concluded from this study?

    Cannot show causation, and says nothing about snoring, sinusitis or headaches.

    Scientific details →

Studies with mixed or unclear results (1)

  • Cutting out 'intolerant' foods did not clearly prevent headaches

    Mitchell N et al.. Nutr J 2011 · PMID 21835022 · DOI 10.1186/1475-2891-10-85
    Randomised controlled trialindependent cross-checkabstract checked

    No significant difference at 12 weeks; small effect at 4 weeks.

    Food elimination did not reduce headache days at the primary 12-week endpoint; egg not analysed separately.

    Does the study support the specific claim? Unclear · Methodological quality: moderate · Certainty of evidence: see overall assessment of the claim

    Original publication · Scientific details

    Study explained simply
    What did the researchers want to find out?

    Test an elimination diet for headaches.

    How was the study done?

    Randomized, sham-controlled trial.

    How many people, animals or samples were studied?

    167 adults.

    What was actually found?

    Primary outcome not improved.

    How large was the observed effect?

    IRR 1.15 (0.94-1.41) at 12 weeks.

    What do the results mean in everyday life?

    Removing foods based on IgG tests is not proven to help headaches.

    What are the study's limitations?

    Unvalidated test; eggs not separately reported.

    What does it say about Elawady's specific claim?

    Does not support that stopping eggs relieves headaches in general.

    Do the results apply to Germany and Europe?

    Applicable.

    What can explicitly not be concluded from this study?

    It cannot rule out that some individuals react to eggs.

    Scientific details →

Regional context

Germany / EU

Egg allergy is a recognised food allergy; in the EU, egg is one of the allergens that must be declared on food labels. Allergy diagnosis is done by allergists (history, skin/IgE tests, oral food challenge).

Egypt

No Egyptian data on egg allergy prevalence were reviewed. The claim does not depend on local production.

What applies in my country?

General scientific assessment

Mostly false Eggs can cause symptoms in people with egg allergy, but there is no evidence that eggs cause snoring, sinusitis or nightmares in general.

The following areas of food safety are relevant to this statement:

  • Veterinary medicines and antibiotics
  • Contaminants (heavy metals, PFAS, PCBs, dioxins, nitrate)
  • Pathogens (Salmonella, Campylobacter, etc.)
  • Animal husbandry and feed
  • Controls, imports, recalls, labelling

Eggs

Choose a country to see the checked information for it.

Limits: legal rules describe what is allowed, not what every single food contains. Measurement data come from samples and are meaningful only together with their method details.

Country of residence or purchase Compare with another country

References

  1. Prevalence estimates of eight big food allergies in Europe: Updated systematic review and meta-analysis.. Spolidoro GCI et al.. Allergy 2023 · PMID 37405695 · DOI 10.1111/all.15801
  2. Dreams of the Rarebit Fiend: food and diet as instigators of bizarre and disturbing dreams.. Nielsen T, Powell RA. Front Psychol 2015 · PMID 25741294 · DOI 10.3389/fpsyg.2015.00047
  3. More dreams of the rarebit fiend: food sensitivity and dietary correlates of sleep and dreaming.. Nielsen T et al.. Front Psychol 2025 · PMID 40667395 · DOI 10.3389/fpsyg.2025.1544475
  4. Randomised controlled trial of food elimination diet based on IgG antibodies for the prevention of migraine like headaches.. Mitchell N et al.. Nutr J 2011 · PMID 21835022 · DOI 10.1186/1475-2891-10-85

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