My partner takes medication which sometimes makes her sweat buckets through the night (sometimes it’s fine) which has lead to some sleepless cold camping.
What kind of things should she consider to make her more comfortable?
An apex quilt is an obvious choice.
But a sleeping “layering” system seems more sensible (personally my sleep system is simple and I aim to just be able to vent and mitigate sweating through heat, so I don’t think a lot about layers).
What kind of baselayer would move moisture the best?
Does some kind of mid layer make sense?
Any other tactics/thoughts? I’ve suggested having a sweat cloth to wipe down, but I also imagine with long sleeve layers on that that might be a bit harder and more annoying to do in practice.

