Those who pride themselves on sleeping little yet functioning optimally are ignorant about the devastating long-term effects of disrupted sleep. Adequate sleep is crucial for overall well-being. People who get less than the recommended amount of rest each night are more prone to mental and physical health issues. One study found that teens who slept an hour less as a child face a greater risk of substance use. Disrupted sleep in mid-life causes symptoms a decade later Lack of sleep is said to cause great damage to the brain, which can contribute to critical diseases like Alzheimer’s disease la…