It will keep your anxiety down and is all natural herb.
I blue block earlier, usually by 5. I stop caffeine after cup 1 by 730am. I make a tea for after supper with chamomile, lemon balm, and passionflower.
My Garmin vivosmart 4 is nice, vivoactive 4 looks good too.
I just ordered this: https://www.amazon.com/dp/B0006U6IMI/ref=cm_sw_r_apa_i_8vbUEbG66K903
On my short list to get is a joovv, muse, and cold tub made with a freezer.
Edit: also a 24 hour cortisol test