When Are Sleep Problems Considered a Disorder

question 9

Multiple Choice

When are sleep problems considered a disorder?

• A)when the individual is spending less than 50 percent of the time spent lying in bed actually being asleep
• B)when the individual experiences daytime fatigue
• C)when the sleep problems are accompanied by symptoms of depression and/or anxiety
• D)when the individual experiences discomfort or impairment because of it

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Definitions:

Protostomes

A group in the animal kingdom characterized by the mouth developing before the anus during embryonic development.

Coelom

A fluid-filled body cavity found in most multicellular animals that is lined by tissue derived from mesoderm.

Flatworms

A group of invertebrates known for their flattened bodies, belonging to the phylum Platyhelminthes.

Milkfish

A tropical marine fish important as food in Southeast Asia, known scientifically as Chanos chanos, often farmed in brackish water ponds.