Light Sleep
Light sleep is considered more compressible than deep sleep and REM sleep in the article's six-hour model. The article proposes reducing the lighter portion of an eight-hour sleep period from about four hours to about two hours. The articl…
1 sources - 4 claims
Light sleep is considered more compressible than deep sleep and REM sleep in the article's six-hour model. The article proposes reducing the lighter portion of an eight-hour sleep period from about four hours to about two hours. The article does not claim light sleep has no function, only that it is the most likely source of safe time savings. Shortening light sleep is the arithmetic basis for the six-hour sleep target while preserving core recovery stages.