With work, the holidays, and family obligations, at times it's difficult to set your priorities. And trying to keep track of everything can be overwhelming. Make the time to sit down and organize all the events and focus on what needs to be done and what can be moved to another day an time if needed.
Find a mentor that can help you stay on your career track. Now if you are in a place where you are ready to mentor someone else, do it. Confidence comes with sharing knowledge. Sometimes you don't know how much you know until you are sharing it with others.
We often don't think about it, but sleep is very important to your well-being. Without proper amounts of sleep your body and abilities can decline. Remember to unplug and get the sleep you need.