Somnolence vs. Lethargy

Somnolence vs. Lethargy — Is There a Difference?
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Difference Between Somnolence and Lethargy

Somnolencenoun

A state of drowsiness or sleepiness.

Lethargynoun

(pathology) A condition characterized by extreme fatigue or drowsiness, or prolonged sleep patterns.

Somnolencenoun

a very sleepy state;

sleepiness causes many driving accidents

Lethargynoun

A state of extreme torpor or apathy, especially with lack of emotion or interest; loosely, sluggishness, laziness.

Lethargynoun

a state of comatose torpor (as found in sleeping sickness)

Lethargynoun

weakness characterized by a lack of vitality or energy

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Lethargynoun

inactivity; showing an unusual lack of energy