The Effects of Caffeine on Sleep

Caffeine has a half life of about eight hours. You have 200 milligrams of caffeine, eight hours later, 100 is still active in your system. And so this can keep you out of normal stages of REM sleep and deep sleep. So how many hours before I recommend and I'm a fan of caffeine, right? Just do it in the morning,. Do it in the early part of the day. Some people are hypersensitive to caffeine. Everybody's metabolism is different. But that's a whole nother whole nother book of how to make sure sure. Okay. No caffeine afternoon. This is one of my favorites that I was doing that I needed before I learned about