one other thing.
Once upon a time when people were not required to sit and stare at computer monitors (or tiny print) all day, ADHD was unknown.
Guys like my husband worked hard physical labor all day long and when they were done working, they went to bed... and never had a problem with all that energy...

Your body is blessed with a lot of energy and it is extremely taxing (and bad for you) to live our modern life style. So you bike. Ride like the wind. Enjoy it. Walk, run, swim. That's what you were designed to do.