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Here's a pilot discussing what they actually do between climb out and final approach:

Thanks for that.

So.. He talks at the 14+ minute mark of crew reading newspapers and even sleeping in the cockpit (45 minutes at a time, but one asleep one (hopefully) awake).

Also a little before this he talks of a crew flying across the USA who missed their descent by over 30 minutes because both were on their laptops.. Oops.

So.. Pilots don't use AP to let them do other stuff hmm? (ok, he mentions in the laptop case that he believes both lost their licenses as using personal electronic devices is a no-no...)

Does fill a few gaps in my knowledge (at least for the brief time it can stay in knowledge when it's midnight :) )

Much thanks for the link!