Zest falls under the virtue category of Courage. Courage describes strengths that deal with overcoming fear. These strengths can manifest themselves inwardly or outwardly as they are composed of cognitions, emotions, motivations and decisions.
Zest is a dynamic strengths that is directly related to physical and psychological wellness. This strength has the strongest ties to overall life satisfaction and a life of engagement.
Improve your sleep hygiene by establishing regular sleep time, eating 3-4 hours before sleeping, avoiding doing any work in the bed, not taking caffeine late in the evening, etc.
Notice changes in your energy level.
Do a physically rigorous activity (bike riding, running, sports singing, playing) that you always wanted to do but have not done yet.