I’m not sure if this is entirely correct but I’ve read online that plants ideally want a rest period after day light in order to properly grow and distribute nutrients throughout the plant. From my understanding of photosynthesis isn’t it an ongoing reaction so wouldn’t plants ideally want sunlight 24/7 if it doesn’t dry them out?
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Plants don’t have hearts. Their circulatory system operates on two principles – capillary action (water likes to climb up narrow tubes, it’s a surface tension thing), and evaporation. Water evaporating from the leaves creates suction that draws water up from the roots.
If the lights are on 24/7, then you’ve got suction 24/7, and it’s harder for the plant to get water back down from its leaves with nutrients.
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