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Sleep quality improves across a competitive season in collegiate female rowers

This prospective observational study of 12 collegiate female rowers found that sleep quality significantly improved from early to late season (p = 0.009), with small-to-moderate effect sizes. Fatigue, confusion, and total mood disturbance also decreased significantly, while sleep quantity remained unchanged.

1 min readUpdated Jul 28, 20260 RCTsView structured evidence →
Evidence Score34/100
Human RCT☆☆☆☆☆
Meta-analysis☆☆☆☆☆
Mechanism★★★★★
Safety★★★★
Confidencelow

This article is automatically generated from the structured evidence profile behind the claim above. Scores reflect the quality and quantity of available research, not clinical advice.

Sleep quality improves across a competitive season in collegiate female rowers The current body of evidence comprises 1 study. EvidenceHub rates the overall confidence at 34/100 (low).

The Claim

Sleep quality improves across a competitive season in collegiate female rowers

This conclusion is most relevant to: Collegiate female rowers (12 athletes).

What the Research Shows

The conclusion draws on 1 linked study. Highlights from the cited literature:

  • Mood States Across a Competitive Season in Collegiate Female Rowers: A Prospective Observational Analysis. (International journal of exercise science, 2026) —

How It Works

The proposed biological pathway:

  • Athletes adapt to training and competitive demands over the season
  • Reduced fatigue and confusion accompany improved psychological well-being
  • Perceptual and recovery-related factors (e.g., sleep quality) improve with adaptation
  • Result: Sleep quality increases and negative mood states decrease by late season

Who Might Benefit

Evidence fit by population:

  • Collegiate female rowers (12 athletes)

Limitations & Caveats

Important context when interpreting this evidence:

  • Small sample size (n=12) limits generalizability
  • Observational design cannot establish causality
  • Self-reported sleep quality and quantity may be subject to recall bias

Frequently Asked Questions

Did sleep quantity change across the season?

No, sleep quantity remained similar throughout the season; only sleep quality improved significantly.

What mood states improved in the late season?

Fatigue, confusion, and total mood disturbance (TMD) were significantly lower in the late season compared with early season.

Was training distance related to mood disturbance?

No, weekly training distance was not significantly related to mood disturbance, suggesting psychological responses were more linked to perceptual and recovery factors.

How was sleep quality measured?

Sleep quality was assessed via self-report (likely a single-item rating or similar), not polysomnography or actigraphy.

References

  1. 1.Dziugyte R, Sogard AS, Cobb EA, Raglin JS, Mickleborough TD. “Mood States Across a Competitive Season in Collegiate Female Rowers: A Prospective Observational Analysis..” International journal of exercise science, 2026. PMID: 42499687 DOI: 10.1249/00005768-199012000-00018
Disclaimer: This article is auto-generated from structured research data for educational purposes only and is not medical advice. Evidence scores reflect the quality and quantity of available research, not clinical recommendations. Always consult a healthcare professional before starting any supplement or intervention.