The short answer: yes
Here’s a very informative article on floating and how it helps address insomnia.
“Scientists have over years of study identified a broad range of therapeutic benefits of REST in treating mental and physical health problems, including anxiety disorders and post-traumatic stress disorder, ADHD, substance use disorder, insomnia and fibromyalgia.”
“I thought maybe I’d fallen asleep, but I was awake the whole time. My mind just went into a whole different place, somewhere so deeply peaceful. For once, I had no sense of time.”
Read the full article at thesleepdoctor.com