What is Slow Wave Sleep (SWS)? Discuss its function with evidence.

What is Slow Wave Sleep (SWS)? Discuss its function with evidence.

Description

The introduction needs to introduce the topic and define any terms that need defining.
The text needs to be a reference, with a reference list after the essay.
The essay mainly refers to Biological Psychology issues.
Information source- Psychology and other relevant subject textbooks (Not A-level books) and Journals.
Avoid non-academic sources of references- websites, newspapers or magazines, lectures, etc.