sit up with (one)

(redirected from sat up with you)

sit up with (one)

To stay awake past one's normal bedtime in order to care for someone. My daughter kept vomiting, so I had to sit up her through the night.
See also: sit, up

sit up with someone

to stay with someone through the night, especially with a sick or troubled person or with someone who is waiting for something. I had to sit up with my younger sister when she was ill. I sat up with Bill while he waited for an overseas telephone call.
See also: sit, up