feel like a new person
To feel completely refreshed and in good health and spirits, especially after an exhausting or debilitating experience. After he had some time to recover from the surgery, he felt like a new person. I'll feel like a new person once I have a shower and a good night's sleep.
feel like a new person
Fig. to feel refreshed and renewed, especially after getting well or getting dressed up. I bought a new suit, and now I feel like a new person. Bob felt like a new person when he got out of the hospital.
new person
see under feel like oneself.