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A comment on Counterintuitive things that helped me fix my insomnia. Parent comment

Re:Counterintuitive things that helped me fix my insomnia by themodelplumber on Thursday March 19, 2020 @11:56AM (#22628659)
Some people have no problem with caffeine and sleep though. They'll even have a coffee shortly before bed, or an energy drink after dinner. It's not a universal rule that caffeine disrupts sleep.
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Re:Counterintuitive things that helped me fix my insomnia by tgv on Thursday March 19, 2020 @12:07PM (#22628792)
Indeed, I used to drink coffee until rather late and sleep well. 20 years ago, I started ti limit myself to 3 cups per day, and now drinking coffee at night keeps me awake (I think; never bothered to experiment thoroughly to find out). Age may have an influence, as might habituation.
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Re:Counterintuitive things that helped me fix my insomnia by Ididntdothis on Thursday March 19, 2020 @01:36PM (#22629722)
Age is definitely a factor. In my 20s I could drink liters of coffee any time without problems. Now even one cup is having significant impact on me. I have heard the same from other people.
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Re:Counterintuitive things that helped me fix my insomnia by ebg13 on Thursday March 19, 2020 @12:03PM (#22628742)
> Some people have no problem with caffeine and sleep though.

True fact #1: all bodies are different.

True fact #2: caffeine is a CNS stimulant.

True fact #3: even if some people have no problem with caffeine and sleep, many do. The author acknowledges being sensitive to caffeine.

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