This time, I am going to add more details in the hair area:
Then, I will pass on to the face area:

Now I am going to work a bit on the background (right curtain):

Left curtain and bed:

A bit of work on foreground sheet:

Scenery outside the window, front sheet, left arm and hair:

Detailing
Having filled the entire image with color, shading and highlights, I can finally move on to detailing.
Brassiere and dress lace:

Dress lace detailing:

Left brassiere detailing:

Right brassiere:

And here comes the final image:
If
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