Is Being a Morning Person a Choice?

My goal this Fall is to become a morning person. Is this goal achievable? I really want, need, to finish the book I've been slowly writing over the last year so my latest scheme to make that happen is to become a morning person.

To that end, I started setting my alarm earlier- from 6:15 to  6:00, to 5:35AM. Yes that's right I can't yet push myself to be up at 5:30AM, I need that extra 5 minutes. To show the extreme lengths I will go to try and make this morning person thing happen--I even set an alarm and got up before 7AM on the weekend.  On the weekend! Sunday I didn't even take a nap!  Did I get more writing done?  Barely, but slightly more than the previous few weeks is an improvement.

Here I am near my window, daylight has just broken.  You can't see the sun because my window is Southwest facing and I didn't feel like getting up and trying to get a picture w/the sunrise in it.

I wonder how long this transformation will take?  weeks? months? decades? Can you reset your internal clock for good? Or will one week of vacation set me back? 
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Frost is now upon the pumpkin, soup weather is here! Please do yourself a favor and make this fantastic soup

xoxo
V