Wiktionary
shiftwork
n. 1 Scheduled work outside of customary daylight working hours. 2 A mode of employment in which sets of workers are rotated to maintain a continuous 24/7 operation.
Wikipedia
Shiftwork (song)
"Shiftwork" is a song written by Troy Jones, and recorded by American country music artist Kenny Chesney with George Strait as a duet. It was released in December 2007 as the third single from Chesney's 2007 album Just Who I Am: Poets & Pirates.