Regarding caffeine, I want to add that it has a half-life of about 5 hours for most people so the advice of not drinking coffee after 12-1pm pm is very sound.
Caffeine works as a sleep inhibitor so even if you don't have trouble falling asleep, caffeine will still affect your sleep, in particular the duration of the deep sleep phase.
Regarding caffeine, I want to add that it has a half-life of about 5 hours for most people so the advice of not drinking coffee after 12-1pm pm is very sound.
Caffeine works as a sleep inhibitor so even if you don't have trouble falling asleep, caffeine will still affect your sleep, in particular the duration of the deep sleep phase.
Source: "Caffeine" by Michael Pollan. audible.com/pd/Caffeine-Audiobook/...
Here's a related article by the above author: npr.org/sections/health-shots/2020...