Extended driving impairs nocturnal driving performances
PLoS ONE. 2008-10-22; 3(10): e3493
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1. PLoS One. 2008;3(10):e3493. doi: 10.1371/journal.pone.0003493. Epub 2008 Oct 22.
Extended driving impairs nocturnal driving performances.
Sagaspe P(1), Taillard J, Akerstedt T, Bayon V, Espié S, Chaumet G, Bioulac B,
(1)GENPPHASS, CHU Pellegrin, Bordeaux, France.
Though fatigue and sleepiness at the wheel are well-known risk factors for
traffic accidents, many drivers combine extended driving and sleep deprivation.
Fatigue-related accidents occur mainly at night but there is no experimental data
available to determine if the duration of prior driving affects driving
performance at night. Participants drove in 3 nocturnal driving sessions (3-5 am,
1-5 am and 9 pm-5 am) on open highway. Fourteen young healthy men (mean age
[+/-SD] = 23.4 [+/-1.7] years) participated Inappropriate line crossings (ILC) in
the last hour of driving of each session, sleep variables, self-perceived fatigue
and sleepiness were measured. Compared to the short (3-5 am) driving session, the
incidence rate ratio of inappropriate line crossings increased by 2.6 (95% CI,
1.1 to 6.0; P