Sleep heals psoriasis?

Catching up on sleep these last two days.  I've woken up late, lazy, and still sleepy.  When I do, my skin loses a lot of the inflammation and redness.  Large sections of my shins this morning seem almost smooth when I run my hand over them.  Only when I run my finger over them and slowly, can I feel the small perturbations on the surface.  Those are accompanied by slight pinking, and not redness.