The 'Brain Before Sleep' meme is a four-panel comic template depicting the common struggle of insomnia caused by an overactive mind. Originating from a comic by artist Adam Ellis (known as @adamtots on social media), the meme became popular for its relatable portrayal of sleepless nights. The top panels typically show a person attempting to sleep while their brain has a relatively mundane thought. The bottom panels then show the brain suddenly having a disruptive, anxious, or completely random thought, which jolts the person awake or prevents them from falling asleep. It is used to humorously illustrate the frustrating and often absurd thoughts that invade one's mind just before sleep, highlighting the contrast between the desire to rest and the brain's relentless activity.