[Hey Connor, It's Mess]

Crawls into your nose at night to feed on your boogers.

Just kidding. Spiders have an incredibly low metabolism and it's not difficult for them to go months without eating. The only thing they do need a somewhat steady supply of is water/moisture. Otherwise, he's probably limiting his movement (energy expenditure) until some tasty insects arrive again in the spring/summer.

The stink bugs who try to hide in my family's house in BC over the winter are often in for a rude awakening lol.