“Staggered shifts are…shifts that start at different times during the day. As an example, a company may have shifts that are staggered 4 hr apart” (Oexman, Knotts, & Koch, 2002, p. 153).

Oexman, R.D., Knotts, T.L., & Koch, J. (2002, December). Working while the world sleeps: A consideration of sleep and shift work design. Employee Responsibilities and Rights Journal, 14(4), 145 - 157.