Inability to Sleep
This page is the CodyCross answer for the clue below from World of Sounds, Group 1342, Puzzle 4 (Vibrations).
Question is: Inability to Sleep
and the answer is: INSOMNIA
Word Meaning:
INSOMNIA — (medicine) A sleeping disorder that is known for its symptoms of unrest and the inability to sleep.
Definitions from Wiktionary.