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Nesterboy [21]
3 years ago
13

Recordings of brain wave activity revealed that the participants in the S groups spent the most time in the stage of sleep chara

cterized by sleep spindles. This observation indicates that they were in which stage of sleep?
Social Studies
1 answer:
d1i1m1o1n [39]3 years ago
8 0

<u>Answer: </u>

This observation indicates that they were in the stage 2 NREM of sleep.

<u>Explanation: </u>

  • The non-rapid eye movement sleep (NREM sleep) is characterized by high voltage waves at slow speed displayed on the electroencephalographic monitor (EEG).
  • The sleepers who experience this stage of sleep are deemed to get healthy sleep.
  • Both the heart rate and breathing during this stage of sleep in slow and normal.
  • The blood pressure level does not exhibit fluctuation and the sleeper is also still.
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