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Re:I almost quit caffeine in one year by ChrisRR on Tuesday January 05, 2021 @09:51AM (#25646076)
Don't forget that caffeine may not be the only thing causing lethargy. You may also be deficient in other vitamins (quite often people don't eat anywhere near enough vegetables), or you may just be getting a bad night's sleep. Maybe you're not sleeping for long enough, or suffering from sleep apnoea

Maybe you're simply sat in your office chair for too long every day and just need to go for a wander once an hour to get the blood flowing.

Quitting caffeine is just one step, but if it's not what's causing your issues, don't forget to look into other aspects of your lifestyle,

Re:I almost quit caffeine in one year by danielbarla on Tuesday January 05, 2021 @10:06AM (#25646235)
I suspect you're right. I've got most of the first paragraph covered very well, but definitely could have a more diverse diet, and my physical activity levels vary between something quite decent (walking / cycling to work, alongside other fitness routine) to periods of almost no activity (lockdown + no fitness routine). It could definitely be improved, and I will put a bit of focus on it.
Re:I almost quit caffeine in one year by netizen-9748 on Tuesday January 05, 2021 @06:10PM (#25652532)
For me exercise is vital, it wakes me up better than caffeine ever has. Working up a light sweat and getting your heart rate up seems to increase mental sharpness, likely due to the norepinephrine response.