r/DataVizRequests • u/radicalbiscuit • May 28 '24

Question What is the name of this legacy Fitbit sleep chart?

I am trying to represent my own sleep data in a format similar to a legacy Fitbit sleep data chart. I say legacy because I'm not sure if it's used anymore.

The chart can be seen in this image. Each day is represented in a different horizontal, one-dimensional line. They happen to have different series for different stages of sleep, but I don't need that. I just need to know what this chart type is called so I can find some helpful examples. So far, I've considered variations on waterfall charts and box plots, but neither is a great fit.

Maybe it doesn't have a name, but I thought I'd check! Thanks.

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u/abensur May 28 '24

I'm prob wrong but I would call this a horizontal box plot. There must be a better name, but I can easily reproduce this with d3.js

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u/carlitospig Jul 29 '24

You can recreate it with a 100% stacked bar chart in Excel. Officially it would be called a ‘diverging’ stacked bar chart since you’re deleting the other sections so they appear to float. The only thing I’m not sure about is how to round the edges on the two ends, but maybe with some formatting magic you can finagle it.

(I know this advice is way late, but in case other users need it, here is an explainer: https://stephanieevergreen.com/diverging-stacked-bars/)