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 1 sleep.
B) stage 2 sleep.
C) stage 3 sleep.
D) stage 4 sleep.
Correct Answer:

Verified
Correct Answer:
Verified
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