@seanpatrickphd I splurged for a rather expensive gaming chair... best money I ever spent... and I sit with a hot water bottle at my back. I set a timer for 10 min and take a break - drink water & blink rapidly (so my eyes don't dry out). Every second break, I get up and walk around. I take my dog for a walk whenever I can (if it is raining Gigi just says NOPE).