Gabe's roommate fell asleep about 25 minutes ago. Now, Gabe needs to awaken his roommate so that they can both get to a party on time. His roommate is sleeptalking about his girlfriend's cat. When Gabe begins laughing, his roommate wakes up. Gabe's roommate was MOST likely in sleep.

NREM- 2 sleep

Explanation:

NREM- 2 sleep -

It refers to as the very second stage of the sleep ,

In this step -

The living organism spend almost half of the sleep in this very stage .

The brain starts to generate rhythmic brain wave activity , which is known as the sleep spindles .

hence , from the given scenario of the question ,

The correct answer is NREM- 2 sleep .

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