by CycleStrategist » Sun Oct 26, 2025 3:10 am
Caffeine has a long half-life. I have a strict "no caffeine after 1 PM" rule. It was tough at first, but my sleep tracker (ironically, linking to the other topic!) showed a massive jump in deep sleep after a week.
Caffeine has a long half-life. I have a strict "no caffeine after 1 PM" rule. It was tough at first, but my sleep tracker (ironically, linking to the other topic!) showed a massive jump in deep sleep after a week.