Everyone's familiar with the way morning plans to get your work done on time and hit the gym somehow turn into a late-night slice of pizza bathed in the glow of your office laptop. Thoughts, plans, and even emotions predictably change as the day wears on, but a new study looking at hundreds of millions of tweets shows just how much that's true.
Tell Me How You Really Tweet
When Old Midnight Comes Around
Circadian Rhythm and Your Brain's Clock
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Key Facts In This Video
The body's systems follow a circadian rhythm, which is synchronized with the rise and set of the sun. 00:37
Humans are generally the only species who subscribe to a once-a-day sleeping pattern. 02:18
Constant disruptions from our regular sleep patterns can be linked to diabetes, obesity and depression. 02:54
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