I'm older. 10-12 hours is not a problem to me if I sleep 1 hour at noon, and take short running breaks, just 1.5 km does wonder. Been doing this for years :-).

I'm older. 10-12 hours is not a problem to me if I sleep 1 hour at noon, and take short running breaks, just 1.5 km does wonder. Been doing this for years :-). Software development. I love my job. It's not for money; it has a purpose. I guess that otherwise I would not recommend this o.O