Sleeping in2on Saturday after a few weeks of too little shuteye3may feel refreshing4,but it can give a false sense of security.New research shows chronic sleep loss cannot be cured that easily.Scientists teased apart5the effects of short-and long-term sleep loss and found that the chronically sleep-deprived may function normally soon Sleeping in2on Saturday after a few weeks of too little shuteye3may feel refreshing4, but it can give a false sense of security .New research shows chronic sleep loss can not be cured that easily.Scientists teased apart5the effects of short-and long-term sleep loss and found that the chronically sleep-deprived may function normally soon