The dog cartoon could be sleeping because it's the time for its nap. Or perhaps it's exhausted from all the adventures it had in the previous scenes.
The dog cartoon might be sleeping because it needs to recharge its energy. Maybe it was up late last night and now it's catching up on some much-needed rest.
Maybe it's just tired from a long day of playing and having fun.
It might be that the environment is peaceful and comfortable, making the dog feel sleepy. Or perhaps it's part of its natural sleep cycle. Who knows, but it sure looks adorable when it's sleeping!
It could be for cuteness or to show an unexpected and funny situation.
Maybe it's just really tired and needs a good rest.
It could be for artistic or design purposes. Maybe to create a unique and visually appealing effect.
It could be that she's feeling tired and the presence of the pug dog makes her feel safe and relaxed, so she chose to sleep on the couch with it.
Sleeping dog cartoons usually depict the dogs in a very charming way. They might have their paws twitching in their sleep or a little drool coming out of the corner of their mouth, making them look even more endearing.
The style can vary. It could be cute and cartoonish, with big eyes and a fluffy appearance.
Maybe he's just really tired from a long day.