Pajama Pants to Bed?

Pajama pants are pajamas, right, aren't they? I'm a little unsure exactly what this means. The idea that the pyjama pans might might intrude upon marital closeness did not occur to me. Jessie thornton, you say, what's the difference between pyjamas and pyjama pants? If you ere to draw that distinction, i wed characterize pyjamas as an ensemble.