This appears to be a lack of melatonin. When you get sun, there should at least be some pigment.

Melatonin is what makes people sleep

You’re thinking of melinoma

Melinoma if what makes people have cancer
You’re thinking of melancholy

Melancholy is what Hamlet had, I think you mean Melania

Melania is what turns people orange. You're thinking of mitochondria

Mitochondria are the powerhouses of the cell.

You’re thinking of moops.