Sleep & Memory: Can a Nasal Spray Help You Remember?

German researchers have tested how a unique nasal spray affects sleep and memory.The study involved a nasal spray containing “interleukin-6.” IL-6 is a cytokine; it is a signaling molecule that transmits information between cells. Seventeen young men spent two nights in a lab, reports a FASEB Journal statement. Each time they read either an emotional or neutral short story. Then they were