- Sleep debt is the result of recurrent sleep deprivation caused when individuals do not experience enough sleep, which makes their bodies crave sleep.
- Sleep loss of 4 hours is equivalent to being drunk with a BAC of 0.1%
- Staying up late studying for exams over several days or weeks, take more than a night or two of good sleep to make up.
- Those whose nightly sleep fell from 7 hours to 5 hours or less were 1.7 times as likely to die (compared to those who stayed at 7 hours) over the next 11 to 17 years. Their risk of cardiovascular-related death was doubled.
The Importance of Sleep
- Sleep and Memory
- Inadequate sleep affects the brain’s ability to consolidate factual information and procedural memories about how to do various tasks.
- The most critical period of sleep for memory consolidation is in the hours immediately following a lesson or studying.
- During sleep, your brain is taking your memories, reactivating them again, and storing them in a more efficient and effective form.
- Sleep and Attention
- Loss of just one and one half hours of sleep a night can result in a 32% reduction in daytime alertness.
- “Drowsy driving” causes 100,000 automobile wrecks, 71,000 injuries and 1,500 fatalities during the average year.
- The U.S. Department of Transportation reports that 20% of all drivers have dozed off at least once behind the wheel from attention failure.
- Snooze Button Effect
- When you hit the snooze button, you think you are getting more sleep, but your body is not returning to a beneficial sleep stage.
- Common effects associated with the snooze button are tiredness, agitation, headaches, mood swings, and procrastination!
Click below to find out how much sleep you really need and learn other interesting facts!