Studies keep showing sugar does not cause hyperactivity in children.
I assume the sugar myth is because food dye causes hyperactivity:
https://pubmed.ncbi.nlm.nih.gov/32006369/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9573786/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4321798/
Free static page services offer previews:
+1 to be able to check notifications, messages, and specific posts here without seeing newsfeeds:
https://github.com/jordwest/news-feed-eradicator/issues/253
https://github.com/ForumMagnum/ForumMagnum/issues/6640
Leave phones elsewhere, remove batteries, or faraday cage them if you're concerned about state-level actors:
https://slate.com/technology/2013/07/nsa-can-reportedly-track-cellphones-even-when-they-re-turned-off.html