During the Night, Two Types of Sleep Alternate with Each

question 332

Multiple Choice

During the night, two types of sleep alternate with each other; they are:

• A) alpha sleep and delta sleep.
• B) stage 1 and stage 2 sleep.
• C) REM and NREM sleep.
• D) relaxed sleep and alert sleep.

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Definitions:

Proportion

Refers to the ratio of a part or portion of the total count, quantity, or amount in a given context.

Freshmen

Students in their first year of study at a high school or university.

Standard Error

A statistical measure that shows the precision of a sample's mean estimate of a population mean.

Sampling Variability

The variability of sample statistics over different samples of the same size from the same population, due to chance.