Men's Sleeping Attire in Different Countries?

While all of us sleep nude here, what do you think most men's sleeping attire or lack thereof in your country.
Here in the US, it is underwear. I have read on this board and elsewhere that in the UK, men sleeping in underwear is very rare, some wear pa(y)jamas but most sleep nude.
Could people from other countries comment on what is most common for men where you live?

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