Are you getting enough sleep? Sleep Deprivation Effects Memory problems Depression Decreased immune system Increased perception of pain High blood pressure Adverse effect on cognition and performance 24 hours without sleep impairs you to the extent of or greater than if you are legally drunk (0.08% alcohol) Facts Adults need an average 8.2 hours per 24 hours (infants 16, teenagers 9) Impairment occurs with as little as 2 hours of sleep lost Sleep debt occurs if get only 5 hours and as this accumulates your awareness of sleepiness declines Circadian timing of when you sleep is crucial sleep deprived individuals may not “feel” sleepy Clinical Signs of Sleep Deprivation Irritability,.