Andrew Huberman· PhD
why because caffeine not only can make it harder to fall asleep which you don't have in part because if you're waking up quite frequently throughout the night and struggling to get back to sleep you're going to be carrying a sleep debt into every night and that debt continues to grow and it's almost like compounding interest on a loan so you will not have a problem falling asleep in fact sometimes the speed with which people fall asleep and some of these uh sleep trackers will almost penalize you for falling asleep too quickly is because in sleep science and clinical sleep medicine if your it should take you somewhere you know healthy sleep onset you know 5 to 15 20 minutes but if you put your head on the pillow and you turn off the light and within a minute or so you're dead to the world and you're gone I'm exactly I'm worried that you're a carrying a sleep dead now not necessarily but I'm I would like to explore it um with you and then I would say even if you can fall asleep fine this factor of waking up in the middle of the night is also related to caffeine why because caffeine not only can make it harder to fall asleep not your problem but it keeps you out of that deep deep sleep and it puts you into a more shallow state of nonrapid ey movement sleep