Study of Sleep and Its Associated Disorders
This page is the CodyCross answer for the clue below from Mexico, Group 1365, Puzzle 4 (Regional Styles).
Question is: Study of Sleep and Its Associated Disorders
and the answer is: SOMNOLOGY
Word Meaning:
SOMNOLOGY — (medicine) The clinical study and treatment of sleep disorders and irregularities.
Definitions from Wiktionary.