Multiple Choice
While attending a lecture,Lea starts yawning and fights hard to stay awake.She reclines in her chair and within minutes she falls asleep with her head jerking upward at short intervals.Lea is in
A) stage N1 sleep.
B) stage N2 sleep.
C) stage N3 sleep.
D) stage N4 sleep.
Correct Answer:

Verified
Correct Answer:
Verified
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