4 adjectives to describe sluggishness

" Though Johnson thought he had written enough, his genius, even in spite of bodily sluggishness, could not lie still.

Time lost its familiar sluggishness; the long industrious days, that had been so slow of old, flew by the bailiff's daughter like the shadows from a magic-lantern.

There was a leaden sluggishness, but my head was clear.

In males, the generative organs do not grow, hair on the face does not appear, hair elsewhere on the body remains generally scanty, the voice continues as high-pitched as the child's, there is more or less muscle weakness, obesity, and mental sluggishness.

4 adjectives to describe  sluggishness