i also have a moranensis siting on my windowsill, my room drops to 60 degrees at night and it seems to be doing fine

There's nothing you need to do. Mexican pings do very well at windo sills. In nature, at this time of year, they are experiencing cooler, drier conditions and the leaves will become smaller and stubbier, as well as non-carnivorous. They will more resemble succulents. They go from looking like this:

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to this:

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They will even flower in the winter:

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