Shifts Between Deeper and Lighter Sleep

question 543

Multiple Choice

Shifts between deeper and lighter sleep

• A) occur only during the last half of a night's sleep.
• B) occur just once per night unless the sleeper is suddenly awakened.
• C) occur throughout the night.
• D) are the first sign of sleep deprivation.

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Definitions:

Balance

The ability to maintain the body's center of mass over its base of support, crucial for standing and moving efficiently and avoiding falls.

Ligament Tear

A ligament tear refers to damage to a ligament, the fibrous connective tissue that connects bones to other bones, often caused by twisting or a sudden impact.

Joint Fracture

A break or crack in the bones that form a joint, leading to pain, swelling, and impaired function of the affected joint.

Range of Motion

The complete range of motion a joint can achieve, typically including both bending and straightening movements.