Anxiety is very physical for me. I feel sick in my stomach, like a head cold is coming on, shaky.
Stress is harder to define, that's more in my behaviour, like getting obsessive, lack of sleep, poor eating, "can't stop" mentality, all of which contribute to fatigue.
I know what these don't feel like, as I've just had a week off recovering from a virus, I feel calm, happy, smiley, fairly relaxed.
When I get very stressed/anxious, it usually ends up with a physical illness, which forces me to stop. Other ways of managing it day to day - an early night/good nights sleep, a hot bath, yoga stretches, breathing/meditation exercises, healthy food, going for a brisk walk, cooking, music in the background, watching comedy.
I've just downloaded the Calm App and been listening to bedtime stories. 