sleep deprivation can negatively affect your health

Sleep deprivation can negatively affect your health.  When you lose sleep at night you feel tired and cranky the next day but missing out on the nightly recommended 7 to 9 hours of sleep does much more harm to your health.  Long term sleep deprivation drains your mental abilities and puts your physical health at real risk.  Science has linked sleep deprivation to health problems ranging from weight gain to a weakened immune system.   Chronic sleep deprivation has been tied to an increased risk of type 2 diabetes, cardiovascular disease, obesity, and depression.  Some signs of sleep deprivation are: excessive sleepiness, yawning, irritability and daytime fatigue.

Your central nervous system is the information highway of your body. It controls and coordinates of all of your’s functions and sleep is necessary to keep it functioning properly.   http://www.healthline.com/health/sleep-deprivation/effects-on-body   

Lack of sleep exacts a toll on perception and judgment. In the workplace, its effects can be seen in reduced efficiency and productivity, errors, and accidents. Sometimes the effects can even be deadly, as in the case of drowsy driving fatalities. http://healthysleep.med.harvard.edu/healthy/matters/consequences 

Some causes of sleep deprivation are: Voluntary behavior:  Some people choose to stay awake to socialize or to enjoy hobbies.  The use of stimulants can also have an impact on sleep. For example, some people may consume alcohol or caffeine close to bedtime, which can increase the difficulty to fall asleep. Other causes are: work or study commitments, environment and sleeping habits, insomnia, sleep apnea and short-term illness.

 The only way to erase a sleep debt is to get more sleep on a regular basis. Depending on how great the sleep debt is, it will take some time to fully recover.  But positive effects will be felt rather quickly. http://www.medicalnewstoday.com/articles/307334.php?page=2