Morgenfrisk

Pronounced, “mor-gan-frisk”. From morgen (‘morning’) +‎ frisk (‘fresh’), this Danish adjective means feeling refreshed in the morning after a good night’s sleep. Morgenfrisk can also refer to the revitalized energy and new beginnings one has in the morning.

Reference:
Meyer, A. (2017, September 20). 7 words for emotions you've probably experienced—but never knew. https://advice.theshineapp.com/articles/7-words-for-emotions-youve-probably-experienced-but-never-knew/

Steinmetz, K. (2018, May 8). How learning new words could make you happier. https://time.com/5265277/learn-new-words-be-happy-translation/