How does sleep deprivation affects the activities of daily living?

Sleepiness. Sleep deprivation (not getting enough time in bed) leads to daytime sleepiness and fatigue, with difficulty staying awake during the day. It also caused decrease in concentration and memory. 7-8 hours of sleep every night is necessary for most people, but most people no longer get it and are chronically sleep deprived.
Many ways. Sleep deprivation can ^ risk for fatigue, irritability, v concentration, diminished memory, ^ infection rate, ability to tolerate stressors, blurring of vision, v energy level, ^ micro-sleeps, weight gain, exacerbation of psychiatric problems and can even lead to psychosis.