Sounds just like my son also 3 except we haven’t started nursery yet as working with portage for now and starting stay & play sessions.
Frequent meltdowns, difficult to transition from one place to another, awake at night and impossible to settle, hits out mostly at me and his younger brother, I’ve already had two black eyes from him lashing out 😔 Same limited food everyday, screams if I even approach him with anything else.
Oh and don’t dare touch any of the toys he’s carefully lined up 😂
But he is soo intelligent (loves numbers and colours too) and is such a cuddly happy and loving little boy just cannot express his needs and struggles to understand things. I have found that singing has helped him sooo much with his speech while we are waiting for SALT as has not drawing attention to any negative behaviour. It’s so difficult, I’m still learning as I go along.
Not even filled out the dreaded DLA form for him yet, I just can’t face it after what I went through with my daughters form and still waiting to hear back 😩
Hope things improve for you, and that you get the news you are hoping for soon 🍀 x