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Drinking coffee doesn't mean you have lack of sleep. I drink 4-10 cups a day and still easily sleep 9 hours



Caffeine is well established to interrupt sleep. Interrupt doesn't necessarily mean a person wakes up either. It can mean 9 hours of less restful sleep than without caffeine. Over the long term, the less restful sleep can lead to other problems.


I think it effects people differently.

Coffee/caffeine doesn't stop me sleeping, it makes me not want to sleep.

The difference is, I can drink a couple of coffee (long black, strong) then go to bed and sleep soundly. But I have to argue with myself all the way to bed... because now I dont feel like I need it :-P


I used to be like that but it completely changed once I hit my 40s. Now coffee (even decaf to some degree) makes me anxious and causes sleep problems. Going off coffee improved my life a lot.


If you're already drinking that much, your tolerance is so high you could probably down a double before bed and still sleep fine.


Not everyone's body works the same way.




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