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Customer Satisfaction Ratings May Be an Example of the

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Customer satisfaction ratings may be an example of the


Definitions:

Stage 4

In the context of sleep, this refers to the deepest stage of NREM (non-rapid eye movement) sleep, characterized by the presence of delta waves and considered crucial for restorative sleep.

REM

Rapid Eye Movement, a sleep phase characterized by fast and random movements of the eyes, associated with vivid dreaming and increased brain activity.

Alpha Waves

Brainwave patterns associated with relaxed wakefulness and meditation, typically in the frequency range of 8 to 12 Hz.

Meditating

The practice of focusing one's mind in silent reflection for the purpose of relaxing or spiritual growth.

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