The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
the depth of their deep sleep is not as deep anymore. And so there are two consequences. The first is that for me, and it can be up to by 30%, for me to drop your deep sleep by 30%, I'd have to age you by between 10 to 12 years, or you can just do it every night to yourself with a couple of espressos.
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The first is that for me and it can be up to by 30%. And for me to drop your deep sleep by 30%, I'd have to age you by between 10 to 12 years. Or you can just do it every night to yourself with a couple of espressos.
take your typical bedtime and count back 10 hours or 8 hours of time. That's the time when you should really stop, you know, using caffeine is the suggestion.
if you give someone a standard 200 milligram dose of caffeine in the evening and then you measure their sleep architecture what you see is about a 20 percent reduction in deep sleep as a consequence of that caffeine being in the system to put that in context to drop your deep sleep by about 20 percent I'd have to artificially age you by about 20 to 30 years to get that type of reduction of a loss