The authors of the current study turned their attention to long-term sleep loss, and examined whether the effects of such constant sleep deprivation could be erased with an extended resting period.
Women with a higher amount of deep sleep can handle better the effects of one work week of mild sleep deprivation, and their recovery is more complete after two nights of extended sleep.
While the ill effects of depression on sleep are well known, he adds, mounting evidence suggests that sleep deprivation in and of itself can contribute to depression.