As a result of Sleep Deprivation

The body can not lie, including when need be rested. Although enthusiasm for the move is still raging, certain symptoms will appear as a sign that the body feels tired.
In addition to resting the muscles, sleep also gives an opportunity for the immune system to produce hormones immunity. In order for these regulations are not disturbed, naturally the body also releases hormones that trigger drowsiness at certain times.
Signs that the body feels tired easily recognizable, among others, as quoted from the Prevention, Monday (17/05/2010), as follows.
1. Everything becomes complicated-lookingAccording to a researcher from the University of California, Sean Drummond, PhD, lack of sleep can make things seem so trivial to be complicated. In effect, a person becomes difficult to remember the details, could not sort out and remember important information, and is difficult to adjust to a sudden change in schedule.
2. Still feel hungry despite eating all dayResearch has shown that sleep deprivation can lower blood sugar levels. These conditions inhibit the production of leptin, a hormone that controls appetite. In contrast, production of ghrelin hormone that triggers hunger will increase. Unfortunately, in this condition the body will feel more in need of sugar rather than more complex carbohydrates.
3. Become susceptible to coldsLack of rest make the immune system weakens, so easily infected by viruses or bacteria. According to one study, sleep for 8 hours / day can reduce the risk of getting the flu as much as 3 times compared to only sleep for 7 hours / day. According to another study, sleep for 4 hours / day even make flu vaccine does not work.
4. Become more sentimental and weepyA study ever conducted to examine the relationship between lack of sleep with the emotions that are not stable, with lurid pictures showing how the participants who did not sleep all night. Through brain scans, it appears an increase in activity up to 60 percent in the amygdala, part of the brain responsible for fear and anxiety. Form other emotions that can arise is feeling sad, irritable, and sometimes quick-tempered.
5. Became more clumsy and carelessSome scientific evidence suggests, lack of sleep make motor responses become slower and inaccurate, diminished reflexes and can not focus on one activity. The exact cause is unknown, but experts believe that it is the strong encouragement of the body for sleep. Clumsy or awkward even can be called 'microsleeps' or sleep in a micro scale.