A thalamic hemorrhage can disrupt brain pathways regulating sleep and emotions, leading to anxiety, flashbacks, or vivid dreams. It is unsafe to self-medicate, especially after a brain bleed. You must consult your neurologist or a psychiatrist for a proper evaluation. Depending on their assessment, they may prescribe medications such as Selective Serotonin Reuptake Inhibitors (SSRIs) for anxiety and intrusive thoughts, or specific non-benzodiazepine sleep aids to improve sleep quality safely. Please do not start any medication without a professional prescription to avoid drug interactions or recurrent bleeding risks.