SA39- Why when I start reading an interesting book I get very sleepy?

Answer with Ramón Irizarry (Program Director at Lifeline Wellness Center - A Division of Lifeline to Africa, INC. | http://lifelinetoafrica.org | https://www.youtube.com/user/lifelinetoafrica)

Send your question to: info@lifelinewellnesscenter.org

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Видео SA39- Why when I start reading an interesting book I get very sleepy? канала Lifeline Wellness Institute