As @AskPang has pointed out, the "10,000 hours" study @Gladwell made famous doesn't just show a need for "deliberate practice."
It also shows a need for "deliberate rest."
The very best violinists took afternoon naps. The merely "good" ones did not.
Most of us feel tired in the afternoon.
You know "that 2:30 feeling"? We blame it on a "food coma." But it's normal.
The circadian system makes us more alert throughout the day. The "sleep debt" system makes us more tired. What time do they cross over? About 2:30 p.m.
Some people think napping is a "waste of time." But things that take time can be done by computers.
Your edge as a human is the quality of your thinking. The quality of your thinking improves when you nap.
As @naval said "Earn with your mind, not with your time.”
"Sleep is mental work. Sleep is creative work. Your brain is churning over memories, it's clearing out the mental cobwebs – it's generating ideas. Sleep is itself work."
If all that wasn't enough, men who napped on a regular basis had a 37% lower risk of dying of heart disease.
Bring back the siesta.
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What I learned about productivity meditating 60 hours in 60 days.
(a thread)
I just finished my 60th consecutive day meditating for 60 minutes. (Aka @naval's meditation challenge.)
My 60th day happened to be the final day of a solo retreat in a cabin in the Andean foothills of Colombia.
The view from the location of my 60th session, this morning.
The meditation style @naval espouses is best described as "no effort." You're not focusing on your breath, nor any sensations in your body – nor are you reciting a mantra.
You're just sitting up comfortably, letting your thoughts flow.