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The Cycling Brief
The cycling world moves fast. The Cycling Brief makes sense of it. Every day, in under 10 minutes, we break down the stories that matter — product launches, race results, tech shifts, industry trends — and connect the dots most people miss. Powered by data, delivered daily. A SEMIPRO Cycling production.
The Cycling Brief
[SUNDAY] The Session That's Killing Your Fitness Happens in Bed
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12-Week Plan — https://go.semiprocycling.com/go/8j4dgw
This week: a 2025 meta-analysis on sleep deprivation and cycling performance — why aerobic endurance takes the biggest hit, why everything feels harder before it actually gets harder, and why partial sleep loss might be costing you more watts than skipping a week of training.
Plus: what to do when a bad race gets in your head.
Study: Gong et al. (2025). Effects of sleep deprivation on sports performance and perceived exertion. Frontiers in Physiology, 16, 1544286.
Daily cycling intelligence, produced by SEMIPRO CYCLING.