Discrete Mathematics/Functions and relations. This article examines the concepts of the function and the relation. A relation is any association or link between elements of one set, called the domain or (less formally) the set of inputs, and another set, called the range or set of outputs.
Sleep deprivation. Sleep deprivation is the condition of not having enough sleep; it can be either chronic or acute. A chronic sleep-restricted state can cause fatigue, daytime sleepiness, clumsiness and weight loss or weight gain. It adversely affects the brain and cognitive function.
If you go long enough without sleep, you may begin to have hallucinations. Read more. The long-term effects of sleep deprivation include anxiety, depression, and even thoughts of suicide. Read more.If you are seriously sleep deprived, you might fall asleep for short periods without even knowing it.ack of sleep can actually increase your appetite, and your brain may not get the message that youâve had enough to eat. Read more. Lack of sleep affects the amount of insulin released after you eat, increasing your risk of developing type 2 diabetes. Read more.