Hedonic Happiness is a positive emotion in your brain that is triggered if something good happens. It is an emotional reaction to external stimuli. Hedonic happiness is the sort of happiness that is experienced by the vast majority of humankind. It is the reason why our happiness is fleeting and intangible, because we are susceptible to external sources for our sense of well-being.
This has become a trap, a pitfall and leads to stress and maybe even the downward spiral.
Eudaimonic (translates as: the nature of a good spirit, as defined by Aristotle) This type of happiness is a deep inner contentment and fulfillment in your heart center which is created when four things are in place in your life:
Eudaimonia is a feeling of deep inner contentment, and it is sustainable.
Chaironic Happiness comes from a sense of connection to something larger than yourself. It is spiritual* joy and bliss. This ultimate state of bliss can be experienced through meditation, reiki, church, yoga, prayer, nature or even a rock concert.
*The word "spiritual" can mean many things to many people. It can mean a religious practice, a relationship with a higher being, a meditation practice, a relationship with nature or animals.