Wait until you get to age 50 as 2:30AM is a REAL PITA!
Frankly it is one of the contributing reasons I don't go as often as say 15 yrs ago, I just do not function well AT ALL on 3 hrs sleep.
I feel bad now what I put my Pops through in his 50/60s getting up that early. But it's 1 of the reasons I often had my own boat, etc so he could sleep in, but I then missed out on the heading to and after the hunt conversations. :/
Here is what I do more often than not for late Oct and on mallards, I get up normal time and am at the lakes around 8;30 glassing, looking for a good spot with the wind and where no one is at or are picking up, I set out the dekes and hunt from 10-1:30 hoping that I get them returning to water after their morning feed. It works great with young hunters too
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God, help me be the man that my dog thinks that I am.