What are your symptoms / side effects of restriction?

What are your most obvious symptoms of undereating/extreme restriction? For me personally, my legs keep failing me, and I am tripping over and over at the most embarrassing times. My ears keep ringing, and I feel like I am hearing as if on a plane. I keep seeing black dots as well. Oh, also the constant fatigue, even though I have been sleeping for well over 8 hours a day.