TY - JOUR T1 - Author response to “Time of day of cognitive tests might distort shift-work study results” JF - Occupational and Environmental Medicine JO - Occup Environ Med SP - 382 LP - 382 DO - 10.1136/oemed-2014-102788 VL - 72 IS - 5 AU - J-C Marquié AU - P Tucker AU - S Folkard AU - C Gentil AU - D Ansiau Y1 - 2015/05/01 UR - http://oem.bmj.com/content/72/5/382.abstract N2 - Holt suggests that the shift workers in our study1 may have been performing worse than day workers because they performed the tests during their ‘biological night’ (ie, during the day). It is indeed the case that the cognitive tests were administered during the day, but the available evidence suggests that even the vast majority (>95%) of permanent night workers fail to … ER -