22-Minute Athlete's Guide to Better Sleep
The Time-Crunched Cyclist Podcast by CTS
00:00
What Are the Four Stages of REM Sleep?
There are two main types of sleep. The first one is called non rapid eye movement sleep or N REM sleep. It's this time of regulating important functions, including regulating cortisol testosterone and human growth hormone. And if we're going to fear monger you into sleeping more, it's probably going to be for the brain health thing. So we'll get to that at the very end.
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