The word "art sleepy" is spelled using the International Phonetic Alphabet (IPA) as /ɑːt ˈsliːpi/. This phonetic transcription represents the pronunciation of the word as "ahrt s-lee-pee". In terms of spelling, "art" is spelled with the letter "a" and "sleepy" is spelled with the letters "s-l-e-e-p-y". This combination of words creates a phrase that could imply a state of being sleepy while engaging in an artistic activity, or perhaps a feeling of sleepiness inspired by art.
There seems to be no known word or phrase "art sleepy" in any language or etymology database. It is possible that you may be referring to a particular term or phrase that is not widely recognized or in common use.