A sudden, brief, high amplitude waveform in the EEG of a sleeping person. They typically occur at about one minute intervals during stage 2 sleep, but can be triggered by outside noises.

kcomplex.com: 2001-20XX

stage 5: I started this website in 2001 as a place to host my art and blog, when the web was a different place and I was an undergrad working on computer science, drawing, and not knowing what I would be doing with the rest of my life. After graduating, three years in Canada, and over a decade working at Pixar, it was time to strip this site down to the essentials.