Audio pataje

I started hearing something under the floor of my room at night. At first, I ignored it. Old house… pipes… there’s always an explanation. But it kept happening. Every night. Right under my bed. --- Just slow movement. Like something was there… hiding it. --- Most nights it would move… then stop. But one night was different. --- I woke up suddenly. No sound. Just that feeling something wasn’t right. --- So I stayed still. Listening. --- Then it started. Faster. Moving under