“…An updated search in the scientific literature found only eight papers published to date (April 2018) that addressed both sleep habits and mental health at the same time. Three reported on Italian, two on North American, two on Brazilian, and one on Australian truckers, for a total sample size of 87,261 male and 3887 female drivers [ 8 , 51 , 52 , 53 , 54 , 55 , 56 , 57 ]. Some comparison across studies is nevertheless possible with a descriptive review.…”