My puppy is relentless and I need advice

Hey everyone

🐾 Poppy, female, 18 weeks/4mo, 3lb maltipoo

I’ve posted on here previously in regard to Poppy’s sudden disdain for her crate. She used to be able to sleep through the night in her crate, even go in of her own volition at bedtime, but not anymore. She will bark and dig for up to 40mins straight, on and off all night. I’ve lost so much sleep that I’m tempted to give up and let her roam the bedroom at night since she is potty trained. But I hate that idea so much, almost like I’m failing one of the core tenants of properly raising your dog. I also simply don’t want her out and about yet. She’s too little. But I am straight up suffering. Do you think I should let it go and hope she becomes normal again, or tough it out? FYI, she’s been suddenly misbehaving like this for over one week now.

I know adolescence comes with neediness and that usually begins to dim with developing independence at the 5/6mo mark. That said, here is my situation. For context, Poppy’s bark is…. It is the most ear piercing, most echoing, most loud bark I have ever heard. It is so insanely high pitch and it just drills into your skull, and she does not give up. When I lay on my bed, she wants to climb up, but I don’t want that, so she whines and whines and whines. Does anyone have any training advice to detour this? Because I am at a loss.

I love Poppy so much, and I know that it doesn’t help that I’m a naturally anxious person. I could really use some advice.