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Side Effects of Sleep Deprivation


Immediate Side Effects:

  • You might feel pain in different areas around your head. There might be heaviness in the head.

  • Eyes might feel tired, eyelids might feel heavy and you may find it hard to focus your attention on your computer/TV.

  • Bags will be visible under your eyes, and the area may seem dark.

  • You can face trouble concentrating on your work/daily chores.

Physiological Side Effects:

  • Lack of sleep can cause acute muscle pains.

  • Dizziness, nausea, and headaches are well-known side effects of lack of sleep. These side effects are tangible even after two consistent nights without much sleep.

  • Irritability is probably the first visible side effect of lack of sleep. It is normal for someone who hasn't slept well at night to be irritable the next day.

  • Memory loss and hallucinations are also acute lack of sleep side effects.

  • A person having sleep deprivation is much more susceptible to having type 2 diabetes as compared to someone who gets the required amount of sleep.

  • In fact, it has been researched and found that the effects of lack of sleep at an acute level, resemble those of psychosis or attention deficit hyperactivity syndrome.

Serious Side Effects:


  • Lack of sleep suppresses the growth hormones and leads to higher levels of reaction to stress, decreases sex drive, affects immune system, moods, etc. This means that an individual starts losing his/her self-control.

  • Sleep deprivation and psychosis have been closely linked by many studies. A person suffering from sleep deprivation is very much susceptible to being psychotic.

  • Fallout of lack of sleep rules over our healing abilities. Yes, lack of adequate rapid eye movement (REM) and non-rapid eye movement (NREM) sleep causes a slag in our ability to heal wounds. It also affects the immune system; hence, making it tougher to fight away diseases.