Barry knew Alice was tired, but he was surprised that the argument between their three-year-old twin boys did not awaken her. She had not been asleep very long and occasionally changed her position, but did not wake. Alice is probably in:

1.stage 2 sleep.
2.stage 3 sleep.
3.stage 4 sleep.
4.REM sleep.

  1. 👍 0
  2. 👎 0
  3. 👁 132
  1. 3.STAGE 4 SLEEP

    1. 👍 0
    2. 👎 0

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