Anastasia ends up grieving for her parents' death even in her dream.
She had been thunderstruck all day long, and even when night already fell, not once did she stop thinking about them. She couldn't snap out of her hollowing storm of dread.
Perhaps, that explains why they also appear to her even in her slumber.
There, she finally got a clear view of what they looked like - a brunette who seemed to be an older version of her and a lean man with a few white hairs sticking out from his ebony black hair. Right then, what made her want to burst into tears again was the heart-wrenching look of fatigue on their smiling faces.
They were clearly exhausted, probably from working so hard every single day just to provide for their family.
"Mama, Papa... I'm sorry I couldn't remember you. I'm sorry I left you all by yourselves. I'm sorry..."