Skip to content

Study note

Sleep in marathon and ultramarathon runners: a brief narrative review.

PMID 37822525 (2023): sleep deprivation — Sleep quality, Recovery speed (study note for endurance athletes).

Updated Jul 22, 2026

Read the study note

Study note • PMID 37822525

Sleep in marathon and ultramarathon runners: a brief narrative review.

Frontiers in neurology2023 • DOI 10.3389/fneur.2023.1217788

How to use this page

This note summarizes one study record. Check the participants, methods, results, and limitations before applying it to training.

  • Design signal: narrative review.
  • Population relevance: mixed/unclear athlete specificity.
  • Consistency: single-study evidence.
  • Practical recommendation depends on tolerance, context, and whether it protects training consistency.

ELI5

In plain language

INTRODUCTION: Sleep is considered a fundamental biological function in humans necessary for recovery from daily physical activities. (narrative review; participants).

In this narrative review, the abstract suggests a positive relationship with Sleep quality, Recovery speed. Treat this as a signal, not a guarantee; confirm methods and context in the full paper.

Takeaways

What the abstract suggests

  • Study question: INTRODUCTION: Sleep is considered a fundamental biological function in humans necessary for recovery from daily physical activities.
  • In this narrative review, the abstract suggests a positive relationship with Sleep quality, Recovery speed.
  • Population: participants.
  • Protocol cues: abstract may omit dose/timing; use the full paper to replicate accurately.

Protocol

Protocol (as reported)

  • Intervention/exposure: sleep deprivation.
  • Dose/time/duration: abstract doesn’t include enough detail; use the full paper’s methods section.
  • Outcomes: Sleep quality, Recovery speed.
  • Replication note: abstracts often omit adherence and timing; confirm details before changing training or supplementation.

Fit

Who it may help, and who should be cautious

Who it helps

  • Athletes similar to the study population (participants) working on sleep.
  • Athletes who can measure Sleep quality, Recovery speed with a repeatable workout or time-trial effort.

Who should be cautious

  • If you have symptoms or conditions that make the intervention risky, get professional guidance.
  • If you’re near race day and can’t safely test, defer the experiment.

Methods

What the study actually did

  • Design: narrative review.
  • Population: participants.
  • Outcomes measured: Sleep quality, Recovery speed.
  • Source: PubMed PMID 37822525 (2023) — Frontiers in neurology.

Results excerpt

What the abstract reports

Optimal sleep has been shown to affect injury prevention and susceptibility to infection positively.

Note: excerpts are short; for full context, read the paper.

Limits

Limitations and bias

  • Abstract-only summaries can miss critical details (population, protocol, adherence, and context).
  • Reviews and consensus statements mix protocols and populations; recommendations may not match your exact constraints.
  • If your context differs (elite vs recreational; cycling vs running), adjust expectations and be conservative.
  • This is performance information, not medical advice.

Adaptive AI coach for iPhone

Meet your adaptive AI coach.

Tell your coach what you are training for. It builds the plan, follows the work you complete, and adapts upcoming training when recovery, your schedule, or real life changes.

Keep going

Sources