Osteoarthritis is a disease of the joints. Unlike many other forms of arthritis, such as rheumatoid arthritis and systemic lupus, osteoarthritis does not affect other organs of the body.The most common symptom of osteoarthritis is pain in the affected joints after repetitive use.Joint pain is usually worse later in the day.steoarthritis Overview. Osteoarthritis (OA) is caused by aging joints, injury, and obesity. OA symptoms include joint pain and stiffness. Treatment depends on the affected joint, including the hand, wrist, neck, back, knee, and hip, and involves medication and exercise.
Sleep deprivation (DEP-rih-VA-shun) is a condition that occurs if you don't get enough sleep. Sleep deficiency is a broader concept. It occurs if you have one or more of the following: 1  You don't get enough sleep (sleep deprivation). 2  You sleep at the wrong time of day (that is, you're out of sync with your body's natural clock). 3  You don't sleep well or get all of the different types of sleep that your body needs.
Effects of sleep deprivation compound across nights: Four or more nights of partial sleep deprivation containing less than 7 hours of sleep per night can be equivalent to a total night of sleep deprivation. A single night of total sleep deprivation can affect your functioning for up to two weeks. To your brain, sleep is money and the brain is the best accountant. According to Circadian, when you have sleep-deprived or fatigued workers, productivity levels and quality of work will be compromised.