Before revision: Cerebral hypoxia A decrease of oxygen to the brain can cause dementia and brain damage, as well as a host of other symptoms.Dementia From Oxygen Deprivation In the early 21st century, crew on the ISS were said to average about six hours of sleep per day.Astronaut set to make history for longest stay in space On the ground Chronic sleep loss can impact performance similarly to total sleep loss and recent studies have shown that cognitive impairment after 17 hours of wakefulness is similar to impairment from an elevated blood alcohol level.
After revision: A decrease of oxygen to the brain can cause dementia and brain damage, as well as a host of other symptoms.Dementia From Oxygen Deprivation In the early 21st century, crew on the ISS were said to average about six hours of sleep per day.Astronaut set to make history for longest stay in space On the ground Chronic sleep loss can impact performance similarly to total sleep loss and recent studies have shown that cognitive impairment after 17 hours of wakefulness is similar to impairment from an elevated blood alcohol level.