A couple more pics related to the Lolling of water overhead! Left, another view of the under car drain hole, Right, Drain outlet tube connection of sunroof pan to hose famous for breaking and coming adrift over the years.
The above pic is the under car drain hole for the sunroof, if this is blocked you may well have water lolling around your head lining. A length of net curtain wire is useful to poke it clear, they don't like it up'em they don't.