Fractal cycles of sleep, a new aperiodic activity-based definition of sleep cycles

Y Rosenblum, MJ Esfahani, N Adelhöfer, P Zerr… - eLife, 2025 - elifesciences.org
Sleep cycles are defined as episodes of non-rapid eye movement (non-REM) sleep followed
by an episode of REM sleep. Fractal or aperiodic neural activity is a well-established marker …