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Give the coordinates of the circle's center and it radius.
Enter your answer using the coordinate notation: (a, b), and r = ....separated with a comma.
Sleep Disorders
A category of conditions that affect sleep patterns and quality, leading to health and quality of life issues.
Symptoms
Physical or mental features regarded as indicating a condition or disease.
REM Sleep
A stage of sleep characterized by rapid eye movements, where most dreaming occurs, and which is thought to play a role in memory and learning.
NREM Sleep
A phase of sleep characterized by non-rapid eye movements, during which restorative processes occur in the body and brain.
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