lethargy

A state of extreme torpor, sopor or apathy, especially with lack of emotion, energy or enthusiasm; (loosely) sluggishness, laziness.

Europe lay then under a deep lethargy.

Gradually the darkened room seems to emerge from its shadows; familiar objects strike upon the senses—and memory is never so terribly distinct as on its first reviving from such momentary lethargy.

A condition characterized by extreme fatigue or drowsiness, deep unresponsiveness, or prolonged sleep patterns.

This Apoplexie is (as I take it) a kind of Lethargie, a sleeping of the blood, a horson Tingling.

So in order to avoid unpleasant side effects like lethargy and sexual dysfunction, most recent trials also gave men testosterone supplements.