It is a very boring story. Quite the opposite - did a sequence of 110 hour fortnights at work, without leaving the house - with having back to back meetings on MS Teams, and then unwinding by sitting down on my arse and playing video games - which led to the muscle going into spasm.
Listen learned: listen to my physiotherapist and do the exercises she reccomends.
As a 33 year old "youngin", I bought my first walking stick today to help me get out of bed in the mornings when this flares up - I'm preparing for my retirement - by being on hive, and by buying something I'll need in old age - a walking cane!