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.