Quieres dormir conmigo?
You could also say
Quieres acostarte conmigo.? ( do you want )
or
Te gustaria acostarte conmigo? ( would you like)
Be aware that acostar has a more intimate (sexual|) suggestivness so if you don't mean to say it in that way then Quieres dormir conmigo? is the best to use
You can say "Quiero bailar contigo esta noche."
venga y quédese conmigo esta noche
Say i want to spend a night please
i want to see you tonight and spend time with you before i leave
¿Puedes pasar la noche en mi casa hoy?
gastar
the last night
noche
"Noche" is the word for night.
gasta mucho
To say 'I want a chair' in Spanish, you would say 'Quiero una silla.'
To say 'I want meat' in Spanish, you would say 'Yo quiero carne.'
To say 'I want bread' in Spanish, you would say 'Yo quiero pan.'
To say 'I want paper' in Spanish, you would say 'Yo quiero papel.'