What physical fitness habits give you the most energy boost?

[MarkTH]

I'm looking for energy boosting routines that actually work, and I know physical fitness habits play a big role. But not all exercise gives me energy some types leave me more drained. What specific physical fitness habits have you found give you the most sustainable energy throughout the day? I'm trying to balance productivity and wellbeing, and I need exercise routines that support rather than drain my energy reserves. What effective wellness practices around exercise have worked best for you?