The gene allowing some people to sleep less is exceedingly rare. The vast majority need between 7-8 hours sleep. And for most people sleep quality improves as

The gene allowing some people to sleep less is exceedingly rare. The vast majority need between 7-8 hours sleep. And for most people sleep quality improves as you sleep longer. “Sleep only high quality” is not really actionable advice unless someone is taking sleeping pills or drinking before bed or actively doing something to impair sleep quality.