"Check My Brain" is a song by the American rock band Alice in Chains, featured on their fourth studio album, "Black Gives Way to Blue" (2009). It was released as the first official single from the album on August 14, 2009, marking it as the band's first single in a decade (since 1999's "Fear the Voices"). The single topped the "Billboard" Hot Mainstream Rock Tracks and "Billboard" Hot Rock Songs charts in September 2009. This was the first time an Alice in Chains song would hit number-one on the Hot Mainstream Rock Tracks chart since their 1994 single "No Excuses". This is Alice in Chains' first and currently only song to chart on the "Billboard" Hot 100, peaking at number 92, and also their first number-one on the Alternative Songs chart. "Check My Brain" received a nomination for "Best Hard Rock Performance" at the 52nd Grammy Awards.