Hey @hagpkl2 , I'm going through my first grow atm, too. I noticed the leaves going up throughout the day and "falling down" during night. Plants do that to get closer to the light source so its absolutely normal. Try to make sure the leaf tips dont touch the light as it might burn them. Also keep an eye on the light distance in general, plants can be harmed due to too much light (like mine when I had it way too close to the light as a seedling). My plant is 50cm away from my 100W LED.
Happy grows, bro :)
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