Sleepiness while driving and shiftwork patterns among Korean bus drivers

ConclusionWe found that Alternating day shift bus drivers suffered from more sleepiness while driving from lunch to last driving than Daily two shift bus drivers. This difference may be because Alternating day shift drivers had more irregular work schedules and longer working hours per day and week.
Source: Annals of Occupational and Environmental Medicine - Category: Occupational Health Source Type: research