Most Studies of Sleep Patterns Show

question 374

Multiple Choice

Most studies of sleep patterns show

• A) a consistent ratio of three to one between time awake and time asleep.
• B) that it is unhealthy for anyone to sleep less than six hours a day.
• C) that midafternoon sleepiness is a natural part of the wake-sleep cycle.
• D) that these sleep patterns are innate and unchangeable.

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Definitions:

Left Iliac Region

An area of the abdomen on the left side that is bounded by the iliac crest; often associated with parts of the colon and small intestine.

Epigastric Region

An area of the abdomen located just above the stomach and below the ribcage, often associated with stomach pain or discomfort.

Umbilical Region

The central area of the abdominal surface located around the umbilicus or belly button, often used as a reference point in abdominal anatomy.

Interstitial Spaces

Areas that exist between cells in body tissues, filled with interstitial fluid, which allows for the exchange of nutrients and waste products.