Sleep and recovery for people who train
Supercompensation, the adaptation that makes you fitter, happens during recovery, and sleep is the biggest part of recovery. Learn how sleep affects muscle repair, hormones, injury risk and performance, and how to spot when training is outpacing rest.
Guides
- Supercompensation explained: how sleep turns hard training into fitnessSupercompensation is the idea that after a training stress your performance first drops, then recovers, and then rises slightly above where it started if you rest enough before the next hard session. Sleep is a large part of that rest: one night without sleep has been shown to cut muscle protein synthesis by 18% and shift hormones toward breakdown, so short sleep can blunt the rebound you train for.7 min read, 9 sources
- Overtraining symptoms: how to spot them early and what to do nextThe main overtraining symptoms are performance that keeps falling despite rest, heavy fatigue, mood changes such as irritability or low motivation, and disturbed sleep. Most people with these signs are overreached, which resolves with lighter training, while true overtraining syndrome is rare, lasts longer and needs a doctor to rule out other causes.6 min read, 8 sources
- Can't sleep after a workout? Why it happens and how to fix itIf you can't sleep after a workout, the usual causes are a hard session ending less than an hour or two before bed, caffeine from coffee or pre-workout drinks, and a body that is still hot and wired. Meta-analyses show that evening exercise in general does not harm sleep, so finish hard efforts at least 2 hours before bed, drop late caffeine, and use a 20 to 30 minute wind-down routine.6 min read, 8 sources