Which Type of Depression Is Most Common During Winter Months

question 16

Multiple Choice

Which type of depression is most common during winter months when day length is shorter and there is less natural sunlight?

• A)Major depressive disorder
• B)Bipolar disorder
• C)Seasonal affective disorder
• D)Obsessive-compulsive disorder

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Definitions:

Melatonin

A hormone produced by the pineal gland that regulates sleep-wake cycles and is often used to treat sleep disorders.

REM Sleep

Rapid Eye Movement (REM) sleep, a unique phase of sleep involving vivid dreams, and is thought to play a role in learning and memory.

N3 Sleep

The third stage of non-REM sleep, characterized by deep sleep and the slowest brain waves during sleep, essential for restorative sleep.

N2 Sleep

A stage of sleep associated with the first instances of true sleep spindles and K-complexes, marking deeper sleep than N1.