What sleep state is associated with the emergence of sleep spindles

Name: What sleep state is associated with the emergence of sleep spindles
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Sleep spindles are a characteristic feature of stage 2 sleep, which follows stage 1 sleep. Stage 2 sleep is characterized by short bursts of brain activity, including sleep spindles and K-complexes. Slow wave sleep (stage 3 and 4) is associated with slow brain waves, while REM sleep is associated with rapid eye movements and vivid dreams.

What Sleep State Is Associated with the Emergence of Sleep