After nine years with competitive teams, I have seen too many players burn out....

https://zulu-wiki.win/index.php/Stop_Grinding_Yourself_Into_the_Ground:_The_Reality_of_Gaming_Recovery

After nine years with competitive teams, I have seen too many players burn out. Grinding ten hours straight ruins your reaction time. Recovery is not a luxury. It is vital practice. Start by taking a real break every 60 to 90 minutes away from your screen