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Running and travelling in car

  1. Dec 14, 2004 #1
    If u run for a distance, even though u r tired u feel refreshed. But if u travel in car, and u get out after 40 min u feel tired even if u didnt do any driving or any physical activity. Why?
  2. jcsd
  3. Dec 14, 2004 #2
    I think what you mean is that you feel alert, rather than refreshed after a run. I suppose that's the crux of it, with low activity, your heart rate is low, mental activity is (possibly) low, and basically you feel sleepy.
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