According to Judge William, the aesthete laughs the 'laughter of despair' and Kierkegaard speaks of the 'superior indolence that cares for nothing at all, that does not care to work [...], that disperses and exhausts all the powers of the soul in soft enjoyment, and lets consciousness itself evaporate into a loathsome gloaming'.

The whole night he had been stuck in the gloaming where sleep kept threatening, but all he got were hallucinations.

in that gloaming territory between

the city was going through its October heat spell, and the hills were covered not with the usual thick, cold fog but with a gloaming haze

the kind of mauvish gloaming hour

In any case here is Nelson squatting down in the gloaming contemplating his creation.

I remember us "huddled" in the gloaming going to gloom.