What does the cryptic crossword clue "Result of overindulgence perhaps troubling, Pepys said (9)" mean?

The definition is "Result of overindulgence perhaps". The wordplay uses an anagram. Double definition The answer is DYSPEPSIA.

Result of overindulgence perhaps troubling, Pepys said (9)

Guardian Cryptic #28999 | 17 Across | 2023-02-21 flower