"Are you wearing pajamas?"

Translation: Pizsamában vagy?

[Krisbaudi]

I do not understand Pizsamában vagytok. Why not Pizsamákban? Many people don't fit in one pajama and there is no number before the pajama.

[Shamarth]

"Pizsamában vagytok" implies that everyone is in their own pyjamas. "Pizsamákban vagytok" would mean that everyone is wearing more than one set of pyjamas.

[vvsey]

Yes, just as other general nouns are used in the singular (I like apples - szeretem az almát), you don't need to indicate the plural here.

[_paranoia_]

Am I wrong that this sentence should be more correctly translated as "pizsamát hordsz"?

[Wazav94]

'Pizsamát hordasz/viselsz?' is gramatically correct but these 2 verbs are a bit formal so using in a context of wearing pajamas is quite funny. And I think 'hordani' rather refers to a longer time, not at the moment so 'pizsamát hordasz?' is rather should be translated as' Do you usually wear pajamas?' in that case.

better context: 'A munkában mindig öltönyt hordok' ' I always wear a suit in the workplace'

A similarly colloquial question would be 'Pizsama van rajtad?' But it is a bit more difficult to make.