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Topic: The driver's condition · Nº 11 / 590

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¿Cuál es el tiempo de sueño recomendable antes de conducir un vehículo?

How much sleep is recommended before driving a vehicle?

  • ADormir al menos 4 horas, siempre que no se sienta somnolencia.At least 4 hours, as long as you do not feel sleepy.
  • BDormir entre 5 y 6 horas, si el descanso ha sido de calidad.Between 5 and 6 hours, if the rest has been of good quality.
  • CDormir entre 7 y 9 horas, como recomendación general para una conducción segura.Between 7 and 9 hours, as a general recommendation for safe driving.
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Correct answer

  • CDormir entre 7 y 9 horas, como recomendación general para una conducción segura.Between 7 and 9 hours, as a general recommendation for safe driving.
Explanation

Sleep is a key factor for safe driving, because lack of rest causes sleepiness, less attention, a longer reaction time and worse decisions. As a general recommendation, you should sleep between 7 and 9 hours before driving, because this gives most people enough rest. Sleeping fewer hours, even if it sometimes seems enough, increases the risk of fatigue and of microsleeps at the wheel, which can cause serious accidents. So you should not drive without enough rest, or trust that 'feeling fine' can replace proper sleep.

Independent app: not affiliated with or endorsed by the DGT (Spain's Directorate-General for Traffic) or the Ministry of the Interior. The official exam is booked with the DGT and taken at its test centres. The questions here are practice material; the DGT's official question bank is not public.