Across
- 3. humans spend approximately 23 years of their life in this state
- 4. getting too much or too little sleep increases your chances of this by 12% and 30% respectively
- 5. (2 words) restriction to six hours of sleep for an extended period is similar to this state
- 6. over how many weeks did scientists study the effects of sleep restriction?
Down
- 1. (2 words) a few nights of good sleep can help you recover from this, if you've only been deprived of sleep for a few nights
- 2. brain function decreases ____ over time with sleep deprivation