Stage of Deep Sleep Also Known as SWS

This page is the CodyCross answer for the clue below from Taking Care of Our Planet, Group 1568, Puzzle 5 (Use Less Hot Water).

Question is: Stage of Deep Sleep Also Known as SWS

and the answer is: SLOWWAVE

Word Meaning:

SLOW — Taking a long time to move or go a short distance, or to perform an action; not quick in motion; proceeding at a low speed.

Definitions from Wiktionary.

Stage Of Deep Sleep Also Known As SWS - Taking Care of Our Planet CodyCross Answers | CodyCross Solutions