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How Many Stages of Sleep Are There in Human Beings

question 84

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How many stages of sleep are there in human beings?


Definitions:

Cyan

A greenish-blue color, one of the primary colors in the subtractive color system, used in color printing.

Cardiomyopathy

A group of diseases that affect the heart muscle, leading to decreased heart function and the ability to pump blood effectively.

Nephrology

A branch of medicine concerned with the diagnosis and treatment of kidney diseases.

Musculoskeletal

Pertaining to the system that includes bones, muscles, joints, tendons, and ligaments, supporting body movement and stability.

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