Sit upright, sit straight ?

[birgit33]

Do "Sit upright"", "Sit straight" have the same meaning ?

[bhaisahab]

Do "Sit upright"", "Sit straight" have the same meaning ?

"Sit up straight" is more usual.

[birendrapnayak]

I think it should be sit up straight. However, sit upright is also okay. So both are possible.

[Rover_KE]

I think it should be 'sit up straight'. However, 'sit upright' is also okay. So Both are possible.

Please state that you are not a teacher, birendrapnayak, and make sure that your replies are correctly punctuated.

Rover