Just stare up at the sky while you sweat off a few pounds and the attendant shovels on fresh sand.
While the attendant shovels on sand, it is helpful to stare up at the sky. 
mnli hypothesis: While the attendant shovels on sand, it is helpful to stare up at the sky.  premise: Just stare up at the sky while you sweat off a few pounds and the attendant shovels on fresh sand.