i am in the same boat mostly because its becoming winter and i tend to slow down more in winter. but some things that help me when i need a boost of energy is the
hermetic concept of polarity
Polarity,
David Allen’s getting thing done philosophy
David Allen: Getting Things Done | dotSUB
mirror meditation:
basically just meditation while looking at your self in the mirror
or just watching a good movie that is that has an opposite energy of how you feel (ex: if your sad watch something funny or light hearted if your board watch something that is exciting ect.)
sorry so brief of an explanation hope the links help ect.)