Breus, Dr. Michael.“New Details on Caffeine's Sleep-Disrupting Effects.”Huffington Post.www.huffingtonpost.com/dr-michael-j-breus/caffeine-sleep_b_4454546.html
Paddock, PhD, Catharine.“Caffeine can disrupt sleep hours later.”Medical News Today. www.medicalnewstoday.com/articles/268851.php
Purdy, Kevin.“What Caffeine Actually Does to Your Brain.”Life Hacker. http：//lifehacker.com/5585217/what-caffeine-actually-does-to-your-brain
∣延伸阅读∣
www. forbes.com/sites/travisbradberry/2012/08/21/caffeine-the-silent-killer-of-emotional-intelligence/
www. investorguide.com/article/11836/what-are-the-most-commonly-traded-commodities-igu/
www. foodinsight.org/CaffeineCreatedEqual#sthash.KZVwxWxx.dpbs
http://addictions. about.com/od/Caffeine/a/What-To-Expect-From-Caffeine-Withdrawal.htm
www. caffeineinformer.com/top-10-caffeine-health-benefits
http://blogs. scientificamerican.com/scicurious-brain/sleep-deprived-mind-your-dopamine/
www. brown.edu/Student_Services/Health_Services/Health_Education/nutrition_&_eating_concerns/Caffeine.php
