Please sit up straight when you're at the table
She sat up in bed, startled by the noise
He sat up all night to finish his project
The dog sat up and begged for a treat
Can you sit up without any support?
I'm going to sit up and take notice of this situation
He sat up in his chair, eager to hear the news
The baby learned to sit up on its own
She decided to sit up and pay attention in class
He sat up late watching a movie
I'm tired. I think I will sit up for a bit.
That is a good idea. Rest is important.
Yes, I agree. I need to feel better.
The puppy learned to sit up on command
The puppy learned to hold itself upright
The puppy learned to rise to an upright position