Thanks for the comments!
That particular piece (above) evolved from this one... (I have another color version that adds Lois, but it's a little more risque.)
It inspired that kind of "film noir" treatment...
I imagined that Clark had been having restless dreams... and is startled awake to find Lois watching him... something brought her to him... perhaps she was acting on similar feelings... or is he just having a lucid dream...
One could imagine all kinds of scenarios... and I guess that's the point.
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I love chiaroscuro |kēˌärəˈsk(y)oŏrō; kēˌarə-noun
The treatment of light and shade in drawing and painting.
• an effect of contrasted light and shadow created by light falling unevenly or from a particular direction on something : the chiaroscuro of cobbled streets.
ORIGIN mid 17th cent.: from Italian, from chiaro ‘clear, bright’ (from Latin clarus) + oscuro ‘dark, obscure’ (from Latin obscurus).