David Goggins talks about physical and mental toughness
The Mark Divine Show
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The Effects of Lack of Sleep on Performance
A Navy Seal friend of David's was a doctor. He found that lack of sleep could degrade your performance by up to 30%. Dave tried Doc Parsley's sleep remedy at our Unbilled Minds Summit and it worked really, really well. Go to doc parsley.com D-O-C-P-A-R-S-L-E-Y or use the code UnbeatableMind when you check out to get a 10% off.
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