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You say: "Seth Roberts has speculated that vitamin D, despite its myriads of other benefits, may harm sleep based on some anecdotes (with 2 null results)" My p
by rbarooah 15y ago
You say: "Seth Roberts has speculated that vitamin D, despite its myriads of other benefits, may harm sleep based on some anecdotes (with 2 null results)"
My point is that he's collected a lot more anecdotes since then, and there seems to be some indication that Vitamin-D helps sleep when taken at sunrise rather than at night. I was curious about why you didn't mention this. I'm guessing that the posting just pre-dates his newer observations.
- gwern 15y agoI got tired of collecting anecdotes; after a little bit, one more anecdote 'well I kind of sort of felt better although you know I didn't collect any kind of data whatsoever' is just pointless to link to. Sleep is variable, you can see any pattern you want to in a few days, especially with a dab of selection bias. (If I had stopped after 10 days, the means would have looked more impressive; but the p-values tell the truth.)
- rbarooah 15y agoHave you considered taking Vitamin-D at sunrise as Seth suggests?