Drivers face 120-degree cockpits and 10-pound sweat losses every weekend....

https://source-wiki.win/index.php/Do_NASCAR_Drivers_Train_Like_Endurance_Athletes%3F_Breaking_the_%22Passive_Sitting%22_Myth

Drivers face 120-degree cockpits and 10-pound sweat losses every weekend. Managing this physical load requires new approaches to inflammation, sleep, and travel fatigue. We examine the practical recovery habits that help drivers stay sharp.