Performance Science Lab
Sleep lab
Sleep is the biggest legal performance enhancer and the easiest place to get fooled by vibes.
Start here
- • Fix the obvious first: consistent wake time, light exposure early, and a realistic bedtime.
- • Treat sleep as training load: travel, heat, and late hard sessions all change the dose you can recover from.
- • Measure trend, not single nights: 7–14 day averages beat panic after one bad sleep.
Best topic pages
Defaults you can actually run for 2–4 weeks.
Outcomes this affects
Study library (reference)
Individual studies for deeper reading.
Sleep and the athlete: narrative review and 2021 expert consensus recommendations.
PMID 33144349 (2020): sleep extension, sleep restriction — Sleep quality, Recovery speed (study note for endurance athletes).
Sleep Interventions Designed to Improve Athletic Performance and Recovery: A Systematic Review of Current Approaches.
PMID 29352373 (2018): sleep extension, nap — Sleep quality, Recovery speed (study note for endurance athletes).
Sleep, Nutrition, and Injury Risk in Adolescent Athletes: A Narrative Review.
PMID 38140360 (2023): circadian — Sleep quality, Recovery speed (study note for endurance athletes).
Sleep, circadian rhythms, and athletic performance.
PMID 25645125 (2015): sleep extension, sleep deprivation — Sleep quality, Recovery speed (study note for endurance athletes).
Sleep extension in athletes: what we know so far - A systematic review.
PMID 33352457 (2021): sleep extension — Sleep quality, Recovery speed (study note for endurance athletes).
Effects of sleep extension on cognitive/motor performance and motivation in military tactical athletes.
PMID 31096123 (2019): sleep extension — Sleep quality, Recovery speed (study note for endurance athletes).
Monitoring Effects of Sleep Extension and Restriction on Endurance Performance Using Heart Rate Indices.
PMID 34711770 (2022): sleep extension, sleep restriction — Sleep quality, Recovery speed (study note for endurance athletes).
Sleep Extension before Sleep Loss: Effects on Performance and Neuromuscular Function.
PMID 27015382 (2016): sleep extension, sleep deprivation — Sleep quality, Recovery speed (study note for endurance athletes).
Sleep, sport, and the brain.
PMID 29031461 (2017): sleep extension, sleep deprivation — Sleep quality, Recovery speed (study note for endurance athletes).
The Effects of Sleep Extension on Sleep, Performance, Immunity and Physical Stress in Rugby Players.
PMID 29910346 (2018): sleep extension — Sleep quality, Recovery speed (study note for endurance athletes).
Sleep Deprivation and Its Contribution to Mood and Performance Deterioration in College Athletes.
PMID 31389873 (2019): sleep extension, sleep deprivation — Sleep quality, Recovery speed (study note for endurance athletes).
The Impact of Sleep Duration on Performance Among Competitive Athletes: A Systematic Literature Review.
PMID 29944513 (2020): circadian — Sleep quality, Recovery speed (study note for endurance athletes).
Coaching beta
Get a plan that adapts to your life.
Join the 26weeks.ai TestFlight beta for adaptive coaching, recovery-aware adjustments, and race-week reminders.
Keep going
Performance Science Lab
Research-backed protocols and evidence grades for endurance performance — built for athletes.
Sleep extension for athletes: what changes, and how to do it
Evidence-informed protocol: Sleep extension for athletes: what changes, and how to do it. Practical steps, who it helps, and what to watch out for.
Sleep and the athlete: narrative review and 2021 expe… (PMID 33144349)
PMID 33144349 (2020): sleep extension, sleep restriction — Sleep quality, Recovery speed (study note for endurance athletes).
Sleep Interventions Designed to Improve Athletic Perf… (PMID 29352373)
PMID 29352373 (2018): sleep extension, nap — Sleep quality, Recovery speed (study note for endurance athletes).
Sleep, Nutrition, and Injury Risk in Adolescent Athle… (PMID 38140360)
PMID 38140360 (2023): circadian — Sleep quality, Recovery speed (study note for endurance athletes).
Sleep, circadian rhythms, and athletic performance. (PMID 25645125)
PMID 25645125 (2015): sleep extension, sleep deprivation — Sleep quality, Recovery speed (study note for endurance athletes).