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[...] Merlin Mann wrote a...Ultradian Rhythms & the 20-minute Break By: Merlin Mann (39 replies) September 7, 2006 - 4:25am |
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Inbox ZeroThe original 43 Folders series looking at the skills, tools, and attitude needed to empty your email inbox — and then keep it that way. Don’t miss the free video of Merlin’s Inbox Zero presentation. Get Started with ‘GTD’David Allen’s popular productivity book and the system on which it’s based help turn ‘stuff’ into actions that support valuable outcomes. |
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[...] Merlin Mann wrote a...
[…] Merlin Mann wrote a recent post on Ultradian Rhythms–cyclic biological occurrences in the human body. Many systems in the human body apparently work in 90 minute cycles. This is an interesting concept to ponder. Apparently, for maximum performance one should take a physical and mental break every 90 minutes. Concentration begins to suffer after 90 minutes, and these breaks supposedly reduce stress. […]