
. Decreased memory and concentration
If you notice symptoms like having trouble remembering where you put important items or documents, it may be that your brain is telling you that it needs sleep. Short-term memory is damaged by lack of sleep. Difficulty concentrating can also be caused by lack of sleep. Overall cognitive abilities—difficulty concentrating, confusion, decreased agility, forgetfulness, learning disabilities, etc.—can cause problems if you sleep too little.
. Binge eating or, conversely, eating disorders such as not eating
If you feel hungry all day without eating breakfast, exercising intensely, or being physically active, it is likely due to lack of sleep. Sleep deprivation, which increases the secretion of the hormone ghrelin that triggers hunger, leads to binge eating. Conversely, sleep deprivation, which can also lead to cravings, disrupts the biological clock. Weight gain or, conversely, loss of weight also occurs in people who have trouble sleeping. It appears in people who do not sleep well.
. I keep feeling sad
Have you ever been embarrassed to see yourself crying or feeling sad while watching movies or dramas? It can easily become emotional, but it appears when sleep is insufficient. The brain is negative, and when sleepless due to confusing images, it shows an excessive response of over 60%.
. Constantly checking your smartphone
Have you checked your smartphone more than three times for just five minutes? If you can't concentrate due to lack of sleep, attention disorders can appear.
. No feelings of love arise
When you lack sleep, you don't develop special feelings toward your spouse or partner. This is because the secretion of cortisol, a stress hormone that causes a loss of motivation in everything, increases.
. Severe emotional fluctuations
Severe mood swings occur when sleep deprivation. The ability to control emotions weakens relatively, making the nerves more sensitive.
. Weakened immune system
When sleep is lacking, the immune system weakens, making you more susceptible to illnesses like colds, flu, and gastritis. Problems like high blood pressure and stroke can also be caused by lack of sleep.
. Moves clumsily than usual
If you overflow water while pouring water into a cup, spill milk while pouring it into cereal, or stamp your foot on the corner of a door while opening the door, it's all due to poor sleep. Slowed movements, inaccurate actions, slow reaction times, decreased concentration, dull reflexes, and unstable balance and sense of depth.
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