What are sleep spindles? — Brain Stuff

Answer: A sleep spindle is a particular waveform that is observed in the EEG traces of a person in the early stages of non-REM sleep.

What Are Sleep Spindles and Why Are They Important? - Somnus Therapy

Sleep Spindles: Definition and Importance - Sleep Advisor

Frontiers Functional differences in cerebral activation between slow wave-coupled and uncoupled sleep spindles

As we sleep, speedy brain waves boost our ability to learn

Sleep Spindles and Hippocampal Functional Connectivity in Human NREM Sleep

Rotating waves during human sleep spindles organize global patterns of activity that repeat precisely through the night

Clinical Correlates of Various Types of Extreme Spindles - E. L. Gibbs, F. A. Gibbs, 1973

Sleep Spindles in Humans: Insights from Intracranial EEG and Unit Recordings

EEG Examples: Beta spindles and low voltage – Brainclinics

Communication from the cerebellum to the neocortex during sleep spindles - ScienceDirect

Sleep Spindles: Mechanisms and Functions

Spindles generation within the CT-TRN-TC circuit. (a) Sleep spindles

Sleep Spindles in Humans: Insights from Intracranial EEG and Unit Recordings

Sleep Spindles: Where They Come From, What They Do - Anita Lüthi, 2014