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Haleyharris1 Haleyharris1
wrote...
Posts: 354
6 years ago
By 8 weeks of age, infants show signs of day/night sleep rhythms. What are these rhythms called?
A) Biorhythms
B) REM
C) Sleep cycling
D) Circadian rhythms
Textbook 
Lifespan Development

Lifespan Development


Edition: 7th
Authors:
Read 72 times
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6 years ago
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Haleyharris1 Author
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6 years ago
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