Cited by 324Gut microbiota and healthSleep and Work-Related FatigueOral microbiology and periodontitis research

The DOI matches its Crossref record; 81 of the 82 references it cites were found in a registry or an index; none of the 50 sources its claims cite is checked for support yet.

Gut microbiota and glucometabolic alterations in response to recurrent partial sleep deprivation in normal-weight young individuals

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Abstract

OBJECTIVE: Changes to the microbial community in the human gut have been proposed to promote metabolic disturbances that also occur after short periods of sleep loss (including insulin resistance). However, whether sleep loss affects the gut microbiota remains unknown. METHODS: In a randomized within-subject crossover study utilizing a standardized in-lab protocol (with fixed meal times and exercise schedules), we studied nine normal-weight men at two occasions: after two nights of partial sleep deprivation (PSD; sleep opportunity 02:45-07:00 h), and after two nights of normal sleep (NS; sleep opportunity 22:30-07:00 h). Fecal samples were collected within 24 h before, and after two in-lab nights, of either NS or PSD. In addition, participants underwent an oral glucose tolerance test following each sleep intervention. RESULTS: Microbiota composition analysis (V4 16S rRNA gene sequencing) revealed that after two days of PSD vs. after two days of NS, individuals exhibited an increased Firmicutes:Bacteroidetes ratio, higher abundances of the families Coriobacteriaceae and Erysipelotrichaceae, and lower abundance of Tenericutes (all P < 0.05) - previously all associated with metabolic perturbations in animal or human models. However, no PSD vs. NS effect on beta diversity or on fecal short-chain fatty acid concentrations was found. Fasting and postprandial insulin sensitivity decreased after PSD vs. NS (all P < 0.05). DISCUSSION: Our findings demonstrate that short-term sleep loss induces subtle effects on human microbiota. To what extent the observed changes to the microbial community contribute to metabolic consequences of sleep loss warrants further investigations in larger and more prolonged sleep studies, to also assess how sleep loss impacts the microbiota in individuals who already are metabolically compromised.

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TL;DR

In a randomized within-subject crossover study of nine normal-weight young men, two nights of partial sleep deprivation altered several gut microbial taxa and increased the Firmicutes:Bacteroidetes ratio, while also reducing fasting and postprandial insulin sensitivity. However, sleep loss did not change beta diversity or fecal short-chain fatty acid concentrations, and microbial changes were not significantly associated with the insulin-sensitivity reductions.

Key findings

  • After two nights of partial sleep deprivation (PSD) vs normal sleep (NS), the Firmicutes:Bacteroidetes ratio was almost doubled on day 2 (17.5 ± 13.7 vs 9.1 ± 4.6, P = 0.04, one-sided), with no significant baseline difference.
  • PSD increased abundances of Coriobacteriaceae (9.61 ± 5.59% vs 7.26 ± 3.30%) and Erysipelotrichaceae (3.37 ± 3.98% vs 2.55 ± 2.97%; both P = 0.049, one-sided) and decreased Tenericutes (0.129 ± 0.241% vs 0.284 ± 0.347%; P = 0.030, one-sided).
  • No PSD vs NS effect was found on beta diversity or fecal short-chain fatty acid concentrations; only trends for time effects on acetate, propionate, and total SCFAs were observed (all P < 0.10, two-sided).
  • Fasting insulin resistance increased after PSD vs NS (HOMA-IR 1.01 ± 0.12 vs 0.72 ± 0.08, P = 0.014, one-sided), fasting insulin was 34% higher (4.26 ± 0.48 vs 3.17 ± 0.35 μU/mL, P = 0.006, one-sided), and postprandial insulin sensitivity decreased by ∼22% (Matsuda index 8.0 ± 0.90 vs 10.2 ± 0.78, P = 0.017, one-sided).

Methods

  • Randomized within-subject crossover study with a standardized in-lab protocol; nine normal-weight men completed two conditions: two nights of PSD (sleep opportunity 02:45–07:00 h) and two nights of NS (22:30–07:00 h).
  • Fecal samples were collected within 24 h before and after two in-lab nights for each condition, yielding 36 samples; microbiota composition was assessed by V4 16S rRNA gene sequencing, and fecal SCFAs were measured by gas chromatography.
  • Participants underwent an oral glucose tolerance test after each sleep intervention; analyses included PERMANOVA, DESeq, Wilcoxon signed rank tests, Student’s t-tests, repeated measures ANOVA, and Pearson correlations.

Limitations

  • The paper states that only a subsample of participants provided fecal samples, the sample was small and limited to healthy young men, and the lack of counterbalancing in condition order among these nine participants may have influenced results.
  • The paper states that the intervention lasted only two days and nights, did not include recovery sleep, and restricted sleep in the first part of the night, so longer-term, circadian-timing, and recovery effects remain unknown.
  • The text makes evident that the study cannot establish causality between the observed microbial shifts and metabolic changes, and the authors note that larger, longer, and more diverse studies are needed.

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Integrity signals

Registry

Crossref · 10.1016/j.molmet.2016.10.003

Cites

81 of 81 references verified0 citation errors · 0 not checkable

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Claims the paper makes

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Show all 32 claims

  • It may state two separate claims as one. 11
  • Probably not a substantial claim. 35
  • The quote only partly states this claim. 1
39 of 39
  • The paper relies on this without support.

    No studies have investigated the impact of insufficient sleep on the composition of the human gut microbiota.

    “However, to date, there are no studies that have investigated the impact of insufficient sleep on the composition of the human gut microbiota.”
  • The paper relies on this without support.

    Studies are lacking that assess whether adverse metabolic changes that may increase the risk of T2DM and obesity, such as impaired insulin sensitivity, are associated with changes in the gut microbiome and associated SCFAs that could result from recurrent sleep loss.

    “Studies are therefore lacking that assess whether important adverse metabolic changes that may increase the risk of T2DM and obesity, such as impaired insulin sensitivity, are associated with changes in the gut microbiome and associated SCFAs that could result from recurrent sleep loss.”
  • The paper relies on this without support.

    No prior study has provided evidence for sleep deprivation-induced changes in microbial families of bacterial gut species linked to metabolic pathologies.

    “our study is the first to provide evidence for sleep deprivation-induced changes in microbial families of bacterial gut species, which have previously been linked to metabolic pathologies.”
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Metadata

Authors
Benedict, C., Vogel, H., Jonas, W., Woting, A., Blaut, M., Schürmann, A., & Cedernaes, J.
Affiliations
  • Uppsala University (SE)
  • German Center for Diabetes Research (DE)
  • German Institute of Human Nutrition (DE)
Corresponding author
Cedernaes, Jonathan
Venue
Molecular Metabolism
Publisher
Elsevier BV
Published
2016-12
Volume
5
Issue
12
Pages
1175-1186
ISSN
2212-8778 (ISSN-L)
OpenAlex
W2539003831
Cited by
324
References
82
Citations by year
2026: 33 · 2025: 45 · 2024: 37 · 2023: 42 · 2022: 42 · 2021: 41 · 2020: 39 · 2019: 18 · 2018: 15 · 2017: 10 · 2016: 2
FWCI
7.80
Type
journal article
Language
en
Open access
Locations
  • Molecular Metabolism (publishedVersion, cc-by-nc-nd)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Informationszentrum Lebenswissenschaften (ZB MED) (submittedVersion, cc-by)
  • KTH Publication Database DiVA (KTH Royal Institute of Technology) (submittedVersion, other-oa)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Tore Nilsons Stiftelse för Medicinsk Forskning
  • Novo Nordisk Fonden
  • AFA Försäkring
  • Fredrik och Ingrid Thurings Stiftelse
  • Svenska Sällskapet för Medicinsk Forskning
  • Hjärnfonden
  • Åke Wiberg Stiftelse
  • Vetenskapsrådet
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Gut microbiota and health
  • Social Sciences › Psychology › Experimental and Cognitive Psychology › Sleep and Work-Related Fatigue
  • Health Sciences › Dentistry › Periodontics › Oral microbiology and periodontitis research
Keywords
gut microbiota, sleep restriction, sleep deprivation, insulin resistance, insulin sensitivity, glucose tolerance, Firmicutes/Bacteroidetes ratio, Coriobacteriaceae, Erysipelotrichaceae, Tenericutes, short-chain fatty acids, oral glucose tolerance test, metabolic disorders
MeSH terms
Firmicutes, Bacillota, Gastrointestinal Microbiome, Adult, Feces, Glucose, Glucose Tolerance Test, Humans, Insulin Resistance, Male, RNA, Ribosomal, 16S, Sleep, Sleep Deprivation, Cross-Over Studies, Bacteroidetes, Microbiota

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