Algunos síntomas que pueden anunciarle la fatiga son...

Symptoms that show fatigue include frequent changes of posture, stretching, yawning, shifting in the seat, certain hand movements (such as scratching), pain in the back of the neck and back, migraines, cramps and other uncomfortable or unpleasant feelings. The most important rules to avoid an accident caused by sleepiness or fatigue are: if we feel tired or sleepy while driving, the best thing is to stop and rest in a suitable place and sleep for about 20 or 30 minutes; rest for 20 to 30 minutes every 2 hours or every 200 kilometres at most; always watch for the signs and symptoms of sleepiness or fatigue.