After Age 40, Many Individuals in Midlife Experience Sleep Problems;

question 123

Multiple Choice

After age 40, many individuals in midlife experience sleep problems; they __________.

• A)often do not feel fully rested in the morning
• B)are more likely to have nightmares
• C)are more likely to fall asleep on the job
• D)are less likely to have appropriate bone density

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Definitions:

Nerve Cell

Also known as a neuron, it is a cell in the nervous system that transmits information to other nerve cells, muscle, or gland cells.

Myelin Sheath

A fatty layer that surrounds the axons of some nerve cells, speeding up electrical impulses.

Neural Impulses

Electrical signals that travel along the neurons, allowing for communication between different parts of the body and the brain.

Peripheral Nervous System

Part of the nervous system that consists of the nerves and ganglia outside of the brain and spinal cord, responsible for connecting the central nervous system (CNS) to limbs and organs.