Daytime Stress

I'm sort of just hoping to inquire if there's been some sort of algorithm change or something with daytime stress over the last couple of weeks? I'm just trying to nail down what has changed for me over the last couple of weeks. I've gone from an average of 15-30 minutes of restorative time since I've had my ring for the last 8 or so months. But in the last couple of weeks I'm averaging anywhere from 3-5 hours of restorative time. Trying to nail down if this is a coincidence or I've done something different to cause this. Thanks