Welcome 
Living sober and working recovery changes a lot. You have to learn to navigate life sober, sit with your feelings, learn to feel your needs, relationships change, places people and things change. What matters changes.
Give yourself time, early sobriety is a hard time for your body to rewire and your brain to adapt to sober mode. Rest, stay hydrated, try to eat healthy, move your body a bit every day. Be patient.
Here’s a linklist to great threads with lots of experience, wisdom and information to work & live recovery successfully.