How to game on little energy

I am now ‘progressing’ into my mid-40s, and somehow, thanks to having tolerant gamers in my gaming group, am still able to game!! Admittedly, folks have been very flexible to help me (and Stuart) out in this regard….. Insane amounts of work (I teach social sciences and thus have tons of marking, and an ever shifting teaching / knowledge domain) coupled with commuting 2 hours a day….