To optimize your trading performance you need to have a routine, a routine is a set of rituals you perform everyday to make sure you have an optimize trading sessions, this could filling in a journal, meditation and some light exercise the aim of this is to put you in a mindset where you'll be able to execute easily and also give you a mental clarity.
You can also get yourself a trading coach and also a mentor that'll help you in creating a sustaining trading plan that'll overwork you, most of these apply to mainly day traders as swing traders don't really need much preparation.