As You Are Being Monitored by Sleep Researchers, Almost All

question 143

Multiple Choice

As you are being monitored by sleep researchers, almost all of your brain activity comprises delta brain waves. This is a clear sign that you are in:

• A) stage 4 NREM.
• B) REM sleep.
• C) stage 2 NREM.
• D) stage 1 NREM.

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