Scale broken

I changed up my workout and added interval classes, power lifting classes, and barre. I still run and bike. I was just running and biking. I’m trying to lift more. I went from level 6 on the stationary bike for a workout to level 11 minuum for 45 minutes keeping my hr at about 138 to 165 at all times per hrm. I don’t sleep enough. I workout instead of sleeping. My stress lately is about 12