People are hardest to awaken from Stage 4 sleep.

Name: People are hardest to awaken from Stage 4 sleep.
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Stage 4 sleep, also known as delta sleep, is the deepest and most restorative stage of sleep. It is difficult to awaken someone from this stage as their body is fully relaxed and their brain waves are at their slowest. It is important to allow people to complete this stage of sleep for optimal physical and mental restoration.

People Are Hardest to Awaken from Stage 4 Sleep