I have been diagnosed with Essential Tremor disorder.
Do Google it.
I had severe anxiety last summer, and this can lead to shaking trembling, New traits such as restless leg syndrome, rubbing your arms and legs, my throat is dry and my tongue pops out, whenever I'm not concentrating or doing something. When I lie down my hips start moving, the wife has told me off and I just can't stop!
Worst is getting out of the bed in the morning, I am shaking, can't stand up because I will overbalance and be a bit dizzy, after sitting for about five minutes, it calms down. Many more like feeling wobbly when I get up too quickly, or turn around. If my head turns very quickly, I go a bit light headed and dizzy.
Why? No one knows!
My neurologist said that there is meds but as always there could be side effects.
Hope you get sorted, you will be asked to do a number of cognitive tests, this will help your neurologist decide diagnosis. Be truthful and ask questions.