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What connection can be made between stages 3 and 4 of sleep and the brain's activity during these stages?
A.
People awakened during these stages do not adjust immediately and may feel groggy.
B.
More muscle activity occurs during these stages than in stages 1 and 2 of sleep.
C.
Fewer delta waves are produced during these stages than in stages 1 and 2 of sleep.
D.
People can be easily awakened during these stages because brain activity is very limited.
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What connection can be made between stages 3 and 4 of sleep and the brain's activity during these st...
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