Research shows that many are not sleeping . This is having a serious on health. A sleep expert from the University of California warned that a " sleep-misfortune plague" is putting us in danger of ill health. He said a of sleep puts us at risk from many possibly deadly diseases. The professor said we need eight hours sleep a and if we don't get that, we will have a life. He added that the of not sleeping enough negatively impacts every aspect of our health and every part of our .
The professor warned that a lack of sleep causes like Alzheimer's, cancer, heart disease, obesity and . He warned that we do not understand the very serious, "catastrophic" consequences of not getting eight hours a night. He explained why we are sleeping : "First, we electrified the night. Light is a degrader of our sleep." He blamed longer hours and longer commuting times, a to be with friends rather than sleep, mobile , and alcohol and caffeine. He also blamed and said: "We're a lonelier, more depressed ."