A PC in Curse of Strahd is cursed by Mother Night and eats a dream pastry. What happens?


A PC in Curse of Strahd has the opportunity to be cursed by Mother Night, at which point they are

On the other hand, a PC who eats a dream pastry

As luck would have it, one of the PCs in my current CoS campaign has been cursed, although he has not yet slept. He is also the only PC to have previously eaten a dream pastry. If he realizes the effects of the curse and decides to counteract it with a dream pastry, what would happen?