Key-wise, I feel like there’s almost too much tonal information for everyone to hear it the same. If it was just up to the melody, I’d say hands down G major because the melody starts and ends on G the majority of the time (where has that pun been all my life?). However, there’s a clear E in the bass under the G at certain cadence points, making for a v chord (Em11) leading us back to Am, which comes on the strong beat. These are two good reasons to hear it in A Dorian.
Try to create a space that is free from distractions, especially if you’re easily susceptible to checking social media during down times, like when a session is saving. One way to do this is to just be diligent about taking periodic breaks and working towards a goal before you get to your break. Another way is to shut your wifi off and put your phone on airplane mode when you’re in your home studio.