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Suprachiasmatic nucleus expialidocious

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Here's some practical science. In every person's brain, there is a region called the suprachiasmatic nucleus (or SCN). The name isn't important, but the SCN is our internal clock that tries to keep our bodies and minds on a daily schedule. You may have learned at some point that the brain naturally gravitates toward a 24-25 hour day when you take away the factors of sunlight and such. I've always been aware of circadian rhythms, but I've never really known what they're all about. Here's how it generally breaks down...

6:00am - Morning
6:45 - Sharpest rise in blood pressure
7:30 - Melatonin secretion stops
8:30 - Bowel movement most likely
9:00 - Highest testosterone secretion
10:00 - High alertness

12:00pm - Noon
2:30 - Best coordination
3:30 - Fastest reaction time
5:00 - Greatest cardiovascular efficiency and muscle strength

6:00pm - Evening
7:30 - Highest blood pressure
8:00 - Highest body temperature
10:00 - Melatonin secretion starts
11:30 - Bowel movements suppressed

12:00am - Midnight
2:00 - Deepest sleep
4:30 - Lowest body temperature

Rinse and repeat.

Procrastination

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[Sorry, metaprocrastination.com is more or less down. Maybe it'll be back up eventually]

We all struggle with procrastination from time to time. At its worst, it can make you feel helpless and even hopeless. It can be extremely hard to "just do it," and even though there are things you 
can do, the problem is that we often don't know what they are. There is a new site dedicated to this at metaprocrastination.com, where you can start to find some good information about how to put off that procrastination until later.

And yes, these two sites are related in terms of who maintains them. No reason to hide that, I suppose!

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