How Do Nightmares and Sleep Terrors Differ

question 54

Multiple Choice

How do nightmares and sleep terrors differ?

• A) Nightmares are more frightening.
• B) Sleep terrors occur during REM sleep; nightmares do not.
• C) Nightmares are usually outgrown; sleep terrors are not.
• D) Sleep terrors tend to occur earlier in the night.

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Definitions:

Marginal Cost

The expense incurred in manufacturing an extra unit of a product or service.

Economic Profits

The difference between total revenue and total costs, including both explicit and implicit costs, indicating excess over the opportunity cost.

Minimum Average Total Cost

The lowest point on the curve that shows the average cost of producing each unit of output when all input costs are considered over various output levels.

Marginal Cost

The cost added by producing one additional unit of a product or service.