Sleep Quality: Terminology
In examining the relationship between sleep quality/quantity and performance, it is useful to take a look at the terminology commonly used, and appreciate how many of the words & acronyms we commonly see are often misused. In this article we consider REM Sleep, Non-REM Sleep (including deep sleep), the effectiveness of wearables in tracking sleep, chronotypes, circadian rhythms, and whether you are a Lion, Bear, Wolf or Dolphin.