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I wonder how much it has to do with sleep. Could it be that people who drinks coffee a lot do that often because they are sleep-deprived? Also if you drink mor

I wonder how much it has to do with sleep. Could it be that people who drinks coffee a lot do that often because they are sleep-deprived? Also if you drink more than 3 cups of coffee more often than not some of those cups are going to be consumed in the afternoon, which has a much bigger impact on your quality of sleep. When I was drinking 4 cups of coffee a day I also didn't sleep nearly enough to function through 8 hours of workdays, especially in the afternoon. I have since taken quality of sleep more seriously and the need for coffee falls to about two cups (usually just a double espresso in the morning). It is of course just anecdotal though.

potatochup 5y ago
There are generic differences in people's ability to process caffeine, some at a much faster rate which means the effect isn't nearly as long.
- TwoFerMaggie 5y ago
  Yeah you're right. This of course differs from person to person. I was thinking about this article actually: https://www.theguardian.com/food/2021/jul/06/caffeine-coffee-tea-invisible-addiction-is-it-time-to-give-up https://www.theguardian.com/food/2021/jul/06/caffeine-coffee... > In fact, none of the sleep researchers or experts on circadian rhythms I interviewed for this story use caffeine. > Walker explained that, for most people, the “quarter life” of caffeine is usually about 12 hours, meaning that 25% of the caffeine in a cup of coffee consumed at noon is still circulating in your brain when you go to bed at midnight. That could well be enough to completely wreck your deep sleep. > I thought of myself as a pretty good sleeper before I met Walker. At lunch he probed me about my sleep habits. I told him I usually get a solid seven hours, fall asleep easily, dream most nights. > “How many times a night do you wake up?” he asked. I’m up three or four times a night (usually to pee), but I almost always fall right back to sleep. > He nodded gravely. “That’s really not good, all those interruptions. Sleep quality is just as important as sleep quantity.” The interruptions were undermining the amount of “deep” or “slow wave” sleep I was getting, something above and beyond the REM sleep I had always thought was the measure of a good night’s rest. But it seems that deep sleep is just as important to our health, and the amount we get tends to decline with age. It seems to argue that at night, the remaining caffeine in your system is not enough to be effective, but enough to hurt your sleep quality.
Broken_Hippo 5y ago
Sometimes it does, but people vary wildly in how they react to caffeine. I don't notice a difference in sleep - I tend to wake up well-rested about 75-85% of the time (A monthly cycle of hormones definitely affects sleep and wakefulness). I've experimented, and drink more than 3 cups. I also don't get the pick-me up some folks get. My father drank more than 3 cups per day - my parents would split a pot of coffee between them - but he drank decaf after noon. If he didn't stop caffeine, he couldn't fall asleep at night.

potatochup 5y ago

There are generic differences in people's ability to process caffeine, some at a much faster rate which means the effect isn't nearly as long.

TwoFerMaggie 5y ago
Yeah you're right. This of course differs from person to person. I was thinking about this article actually: https://www.theguardian.com/food/2021/jul/06/caffeine-coffee-tea-invisible-addiction-is-it-time-to-give-up https://www.theguardian.com/food/2021/jul/06/caffeine-coffee... > In fact, none of the sleep researchers or experts on circadian rhythms I interviewed for this story use caffeine. > Walker explained that, for most people, the “quarter life” of caffeine is usually about 12 hours, meaning that 25% of the caffeine in a cup of coffee consumed at noon is still circulating in your brain when you go to bed at midnight. That could well be enough to completely wreck your deep sleep. > I thought of myself as a pretty good sleeper before I met Walker. At lunch he probed me about my sleep habits. I told him I usually get a solid seven hours, fall asleep easily, dream most nights. > “How many times a night do you wake up?” he asked. I’m up three or four times a night (usually to pee), but I almost always fall right back to sleep. > He nodded gravely. “That’s really not good, all those interruptions. Sleep quality is just as important as sleep quantity.” The interruptions were undermining the amount of “deep” or “slow wave” sleep I was getting, something above and beyond the REM sleep I had always thought was the measure of a good night’s rest. But it seems that deep sleep is just as important to our health, and the amount we get tends to decline with age. It seems to argue that at night, the remaining caffeine in your system is not enough to be effective, but enough to hurt your sleep quality.

Broken_Hippo 5y ago

Sometimes it does, but people vary wildly in how they react to caffeine. I don't notice a difference in sleep - I tend to wake up well-rested about 75-85% of the time (A monthly cycle of hormones definitely affects sleep and wakefulness). I've experimented, and drink more than 3 cups. I also don't get the pick-me up some folks get. My father drank more than 3 cups per day - my parents would split a pot of coffee between them - but he drank decaf after noon. If he didn't stop caffeine, he couldn't fall asleep at night.