your leaves are funky for a few reasons, over watering, and she is now showing stress, stop spraying neem oil while the plants are so young, neem oil is for when your plants are about the 5th-6th week veg, so in other words your roots need air,
over watering though needs to be corrected though so give the plant a break for a day. if anything you should be spraying water on her.
i know you want things to come out great, and im sure your poking around a bit each day in the grow area, the plant will grow and believe it or not less effort is involved
on your part.
Overwatering will literally drown your plant's roots. Excess water will not only rinse most of the beneficial microbes from the medium, a sodden substrate can also become colonized by algae and nasty fungi. Persistent overwatering invariably invites the parasitic Pythium, better known as root rot. Cannabis plants with droopy, claw-like leaves could be trying to tell you they
are waterlogged
CURE
“Water mold” microorganisms are just like vampires; you have to invite them in before they can do any harm. Keep them out of the garden by making sure they are not welcome. Maintaining an effective wet-dry cycle is all it takes. If you can pick up your pots, do it. Then you can tell by their weight when it’s time to water.
If you can’t lift the containers, then consider a moisture meter and make sure to carefully monitor post-watering plant behavior. 4Try reducing the volume of water.
Alternatively, take longer intervals between watering. Unfortunately, Pythium is virtually incurable and will turn your plant's roots into brown sludge. If you see droopy, curly cannabis leaves, especially with young plants, look to the roots for answers