After 72 hours of no sleep, your brain begins to suffer from severe, adverse effects. First, your cognitive abilities become significantly impaired, leading to a decrease in mental clarity, alertness, and concentration. You may become easily distracted, and have difficulty understanding and retaining new information. You may also experience memory lapses and difficulty recalling events and memories.
In addition, your mood and emotions may be significantly affected as well. Lack of sleep can cause you to become irritable, anxious, or depressed, as well as feel frustrated and overwhelmed. You may also have difficulty regulating your emotions, leading to sudden outbursts or intense emotional reactions.
Furthermore, the body's natural circadian rhythm becomes disrupted, leaving you feeling fatigued and exhausted, unable to stay awake for more than a few hours at a time. Your motor skills are also affected, leading to slower reaction times, clumsiness, and an increased risk of accidents. Your immune system also becomes weakened, leaving you more susceptible to illnesses and infections.
The effects of going without sleep for 72 hours can be alarming and have a long-lasting impact on your health and well-being. It is important to ensure that you are getting adequate sleep in order to maintain a healthy and functioning brain.