question: My daughter is turning 16 soon.She had a very severe bout of insomnia 3 years ago, lasting approximately 3 months. During this time she missed school, became extremely anxious, and suffered intense vertigo. A sleep study showed abnormal brain-waves during what limited sleep she got (every few minutes right after falling asleep her brain would turn back on and awaken her. She is now having difficulty sleeping again. Each night she gets to sleep later and later. This fuels her anxiety and it is like a never-ending pattern