Well, there could be various changes. Maybe her hair is disheveled after sleeping compared to being neatly arranged before. Or perhaps the covers are in a different position before and after. Also, the background might have some subtle differences like the light or shadows.
It could be that she's trying to get some much-needed rest after a busy week. Or perhaps she stayed up too late the night before and now has to catch up on sleep.
Maybe it's to show a moment of peace and relaxation for the character.
Maybe she's just really tired from a long day.
Maybe she's just really tired and the couch is the closest comfortable place to rest.
Maybe she's had a long and tiring day and the couch is the most comfortable place for her to rest.
Well, usually a sleeping woman cartoon might show her in a peaceful pose, maybe with soft expressions and a relaxed body language.
Often, a cartoon of a sleeping woman will have closed eyes, gentle breathing indicated somehow, and maybe some fluffy bedding or a dreamy background. The style of the drawing can also vary, from simple and cute to more detailed and realistic, depending on the artist's intention.
She looks peaceful and cute, which gives a sense of tranquility.
Maybe she's had a really long and tiring day at work and just couldn't keep her eyes open anymore.
The cartoon woman might be sleeping in bed because she stayed up late last night and now she's catching up on sleep. Another possibility is that it's a part of her daily routine to take a nap at this time.