Thanks for the response as I have a similar problem. Sleeping makes me feel like I’ve been run over by a truck and this article may help explain why. Trazadone helps regulate my sleep to some degree, not so much making the sleep better, but stabilizing the next day’s mental state. I would also like to find out if there is research into options for moderating the CSF flows during sleep, or at least modifying the REM patterns that are disrupted by TBI. Thanks also to Johnny Jung for his response below.