Why do the leaves of this prayer plant curl inwards? The plant have been in the same spot, with the same routine (watering, fertilizing) for about two years. Since late September, the plant look like this.
Your prayer plant could do this for a few reasons. Too much sunlight will do this. They shouldn't receive direct light, rather, just indirect bright light. The most common cause is too much light. They like to remain only slightly moist. And even just a little drier during the winter months. Here is an article to address proper care.