behind on sleep in your 20s Sleep Through the Decades Sleep Through the Decades 7 and 8 hours of sleep minimum of six hours of sleep slow wave sleep, which is the most restorative doktor doktor we spend approximately a third of our lives asleep Aim for about eight hours a night doktor skimping on sleep full seven to nine hours of sleep www.webmd.com Six to eight hours seven hours WebMD.com you should sleep each night seven hours seven and nine hours 7.5 to 8 hours of sleep 7 and 8 hours of sleep commented on sleep mirroring health doktor doktor 7.5-8 hours getting enough sleep doktor Sleep Through the Decades doktor sleep sleep sleep Sleep Through the Decades linked seven to eight hours doktor not getting enough sleep doktor studies doktor WebMD Sleep Through the Decades doktor 8 hours or sleep proper sleep need around 7.5 to 8 hours sleeps for around 8 hours 7 and 8 hours of sleep you should sleep each night