Light __, Excessive Light That Can Disrupt Sleep

This page is the CodyCross answer for the clue below from The 90s, Group 1129, Puzzle 5 (Slap Bracelets).

Question is: Light __, Excessive Light That Can Disrupt Sleep

and the answer is: POLLUTION

Word Meaning:

POLLUTION — Physical contamination, now especially the contamination of the environment by harmful substances, or by disruptive levels of noise, light etc.

Definitions from Wiktionary.