You are entering a whole new universe - take your time and listen to your body.
During the break-in period of your orthopedic insoles a.k.a orthotics, you might experience a variety of sensations in your feet and legs. The sensations might change from one day to another – this is normal, as your feet are adjusting to a whole new setting.
The pressure load is gradually spreading the way it is supposed to and your body is fine-tuning into a new, better position.