What is the deepest sleep, the one from which it is hardest to be awakened?

Name: What is the deepest sleep, the one from which it is hardest to be awakened?
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Question

Quizplus · Accepted Answer

Stage 4, also known as slow-wave sleep, is considered the deepest stage of sleep. It is characterized by very slow brain waves and it is difficult to awaken a person from this stage. This is also the stage where sleepwalking and bedwetting can occur.

What Is the Deepest Sleep, the One from Which It