By week four, fatigue can hit hard, making recovery between sessions crucial....

https://www.yankee-bookmarkings.win/by-week-four-of-training-fatigue-sets-in-hard-recovery-hinges-on-smart-sleep

By week four, fatigue can hit hard, making recovery between sessions crucial. Sleep is your main ally—plan your hours carefully, especially after late sparring. Try a simple evening buffer to wind down