After years of hauling 80-100 pound speaker cabinets and living off adrenaline...

https://wiki-spirit.win/index.php/How_to_Nap_in_a_Van_Without_Waking_Up_Wrecked

After years of hauling 80-100 pound speaker cabinets and living off adrenaline until 2 or 3 a.m., musicians develop a kind of body awareness you won’t find in a gym