Several possible studies
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Tired, irritable and craving carbs? Why darker days affect our bodies and brains (opens in a new tab)
medicalxpress.com · 2026-10-26
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Several possible studiesStudy not confirmed.
Several potential source studies were identified, but no single match could be confirmed. The article's claims remain unverified.
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Tired, irritable and craving carbs? Why darker days affect our bodies and brains
medicalxpress.com · 2026-10-26
The story’s checkable claims.
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Multiple potential source studies identified.
Several studies match details in the article, but none could be confirmed as its source. The claims have not been assessed against a source study.
View article claimsSearch result
Several studies could fit.
Several studies match details in the article, but none could be confirmed as its source. The claims have not been assessed against a source study.
Source layer
The 4 papers the story cites
Source study separated from background citations.
The research anchor for the report.
- Cited as backgroundmentioned without context
Variations in sleep duration and timing: weekday and seasonal variations in sleep are common in an analysis of 73 million nights from an objective sleep tracker.
Sleep · 2025
- Cited as backgroundmentioned without context
Daylight Savings Time Transitions and the Incidence Rate of Unipolar Depressive Episodes.
Epidemiology (Cambridge, Mass.) · 2017
- Cited as backgroundmentioned without context
Seasonality and seasonal affective disorder (SAD): an evolutionary viewpoint tied to energy conservation and reproductive cycles.
Journal of Affective Disorders · 2005
- Cited as backgroundmentioned without context
Agomelatine in the treatment of seasonal affective disorder
Psychopharmacology · 2007
Evidence layer
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The article's claims are listed below. Without a confirmed source study, they have not been assessed as supported or unsupported.
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Claim 1 of 7Not checkedShorter days can influence our sleep and mood, and some people feel unusually tired, irritable, less focused, or crave carbohydrate-rich comfort foods as fall turns into winter.View evidenceHide evidence
Not checked
No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Claim 2 of 7Not checkedFor around 3% of the U.K. population, winter brings seasonal affective disorder (SAD), which involves recurring depressive episodes that usually begin in fall or winter and improve in spring.View evidenceHide evidence
As statedaround 3% of the U.K. population
Not checked
No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Claim 3 of 7Not checkedReduced daylight exposure can affect circadian timing and may contribute to seasonal changes in sleep and mood, although the mechanisms behind SAD are not fully understood.View evidenceHide evidence
Not checked
No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Claim 4 of 7Not checkedA 2025 sleep-tracking study of more than 116,000 adults found that people in the Northern Hemisphere slept approximately 15 to 20 minutes longer in winter than summer.View evidenceHide evidence
As statedapproximately 15 to 20 minutes longer
Not checked
No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Claim 5 of 7Not checkedThe evidence is mixed on whether changing the clocks makes seasonal depression worse: a Danish study reported more hospital contacts for depression after the fall change, while a 2025 study in England found fewer recorded depression-related health events the following week.View evidenceHide evidence
Not checked
No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Claim 6 of 7Not checkedThe article says a small study involving 37 patients suggested agomelatine might improve symptoms, and a Cochrane review found bupropion could help prevent recurrence in people with a history of winter depression.View evidenceHide evidence
As stated37 patients
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No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Claim 7 of 7Not checkedBright-light therapy may help some people, but NICE says evidence of its effectiveness remains uncertain.View evidenceHide evidence
Not checked
No source study was confirmed for this article. This claim remains unverified, rather than assessed as supported or unsupported.
Method layer
Study not confirmed.
The search results are available for you to inspect. Without a confirmed source study, they cannot establish whether the story’s claims are supported or contradicted.
Search results
Candidate papers, not confirmed sources.
PubMed, Crossref, Europe PMC · 19 candidate papers
Variations in sleep duration and timing: weekday and seasonal variations in sleep are common in an analysis of 73 million nights from an objective sleep tracker.
Sleep · 2025 · PubMed
Daylight Savings Time Transitions and the Incidence Rate of Unipolar Depressive Episodes.
Epidemiology (Cambridge, Mass.) · 2017 · PubMed
Seasonality and seasonal affective disorder (SAD): an evolutionary viewpoint tied to energy conservation and reproductive cycles.
Journal of Affective Disorders · 2005 · PubMed
Agomelatine in the treatment of seasonal affective disorder
Psychopharmacology · 2007 · Crossref
Circadian photoreceptor CRYPTOCHROME promotes wakefulness under short winter-like days via a GABAergic circuitry.
eLife · 2026 · PubMed, Europe PMC