“Why We Sleep Data Manipulation: A Smoking Gun?”, Andrew Gelman2019-12-27 (, ; similar)⁠:

In his post, Matthew Walker’s Why We Sleep Is Riddled with Scientific and Factual Errors” (see our discussions here, here, and here), Alexey Guzey added the following stunner:

[Screenshot of Guzey’s criticism: Walker, to bolster his more-sleep-is-always-better paradigm, has edited a research graph to remove a reduction in risk among those sleeping least.]

We’ve left “super-important researcher too busy to respond to picky comments” territory and left “well-intentioned but sloppy researcher can’t keep track of citations” territory and entered “research misconduct” territory.

…This seems like a good time to revisit that Dan Davies line:

Good ideas do not need lots of lies told about them in order to gain public acceptance.