I agree with the general sentiment of this & wish I had a better view. My office is currently in my basement (only practical place in our house for it). I probably spend around 60% of my working hours there, the other 40% I'm on my laptop in various locations around the house to keep it fresh.

One thing I've found to help is growing some plants indoors. I have a few grow lights on 12h timers that keep me a little grounded to the rhythm of the Earth. However nothing beats the energy you get from a natural view.