The signs of REM sleep include flickering of the infant's:

A) open eyes and rapid brain waves.
B) closed eyes and rapid brain waves.
C) open eyes and slow,steady brain waves.
D) closed eyes and slow,steady brain waves.

REM Sleep

A stage of sleep characterized by rapid eye movement, increased brain activity, and vivid dreams, considered important for memory and learning.

Flickering

A rapid and unsteady flash or fluctuation of light, often creating a disorienting or distraction effect.

Infant

A very young child or baby, typically under one year of age.