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Rick Wicklin

It looks like the Totals are about 24 hours, so no info there. The purpose of that field (I suppose) is to make sure each column has the same uniform scale. But 1-2 hours out of 24 is so small that it's hard to discern differences between people and activities. How about letting the scale for each column be max(sleep) ~ 10 hours? Then more of the horizontal space can be used to show the data.

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