The large,slow brain waves associated with N3 sleep are called

A) sleep spindles.
B) delta waves.
C) alpha waves.
D) REMs.

Delta Waves

Slow brain waves observed in the deepest stages of sleep, associated with healing and regeneration.

Sleep Spindles

Sudden bursts of oscillatory brain activity visible on an EEG that occur during stage 2 of sleep, associated with learning, memory consolidation, and synaptic plasticity.

REMs

Rapid Eye Movements, referring to the quick, darting movements of the eyes during certain stages of sleep associated with dreaming.