It's a common assumption that "Vatican night tour" means seeing the Sistine Chapel after dark — worth clarifying before you book, because that's not currently a standing public option.

What these tours usually cover

Evening walking tours in this space typically take you around St. Peter's Square and the illuminated Basilica facade, sometimes extending into nearby Rome — genuinely atmospheric, with far smaller crowds than daytime, but it's an exterior and area experience rather than a Museums visit.

Rare exceptions

Occasional private, high-cost after-hours access to the Museums is arranged directly by specific operators for small private groups, but it's limited, expensive and not something to expect from a standard listing — read the description carefully before assuming "night tour" means the Sistine Chapel.