Normally I would be inclined to agree with you but the article specifically says: "The research has some important limitations including ... the subjective measure of sleep being based on time spent in bed rather being asleep per se"
According to the study 9 hrs of sleep is bad for your health (too much sleep). But that 9 hrs may actually constitute 8 hrs of actual physiological sleep. So 8 hrs of actual sleep is too much and is bad?
coldtea|6 years ago
"Add it altogether and an "eight hour night" may actually only constitute 6.5 hours of actual physiological sleep. ".
continuations|6 years ago
According to the study 9 hrs of sleep is bad for your health (too much sleep). But that 9 hrs may actually constitute 8 hrs of actual physiological sleep. So 8 hrs of actual sleep is too much and is bad?