N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion Tramadol and interruption of stage 4 Sleep JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly.You should upgrade or use an alternative browser. Members who reacted to message #5 All (1) Like (1) M Apr 4, 2022 Mureceptor Bluelighter · From Texas Messages 76 Reaction score 52 Points 0 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion Tramadol and interruption of stage 4 Sleep