"Not long ago, sleep wasn’t considered particularly important. You either got it or you didn’t, and if you didn’t, too bad. That picture has changed dramatically as more and more health problems are associated with poor sleep. Some of the problems caused by lack of sleep are short-term. You become more moody. Your judgment can be off. You find it harder to learn. You may also be at greater risk of serious injury. All of this adds up to more mistakes at work and school, and opens the door to potential accidents while driving. There are also long-term problems that arise when you don’t get enough sleep. Over time, sleep deprivation can lead to obesity, heart disease, diabetes, and even an early death."
https://www.medicinenet.com/jobs_that_wreck_your_sleep_pictures_slideshow/article.htm?ecd=mnl_spc_121317
The glymphatic system immediately comes to mind when discussing sleep
deprivation as this unique and recently described metabolic byproducts of metabolism as well as toxic misfolded waste removal system has come into "prime time " consideration regarding brain fuction such as the moody aspect, the judgement impairment, increased difficulty learning and memorry functions, and even the greater risk of injury functions you mentioned in your qusestion being debated and commented on ....
The glymphatic system is known to be considerably more active in the sleep state than the awake state and therefore is sleep is deprived it will allow toxic product to accumulate and contribute to impairment of each of the above factors that you bring forth. I have often thought about the upright state of awakfulnees vs the horizontal position of sleep as possibly playing a role. Also I have often wondered often if there may be a signal in the brain that is activated or liberated during the sleep cycle, such that the endogenous mesenchymal like stem cells such as the capillary neurovascular unit pericyte - perivascular niche cells are released and migrate to regions of injury in the brain.
Normal Sleep cycles are thus important to allow the brain to rid itself of toxic metabolic byproducts as well as supporting and internal brain healing effect for proper neuronal function.
As we continue to learn more about the important role of the glymphatic system we will note that indeed proper sleep cycles are of utmost importance to the maintinence and healing of the brain cells and tissue.
Sincerely,
M.R. Hayden, MD
Please see reference below:
Nadia Aalling Jessen1, Anne Sofie Finmann Munk1, Iben Lundgaard1, and Maiken Nedergaard: The Glymphatic System - A Beginner's Guide.
.2015 December ; 40(12): 2583–2599.
The brain repairs itself , by putting us to sleep . Everyday there is lot of information received by the brain & most of it is unnecessary & irrelevant . This is cleared & relevant information is stored as memory for complex functions . Thus , sleep is an important function of the brain .
If I have to select two most ancient Scientists for LIFE TIME AWARD OF THE WORLD, I will select two persons.
1. The person discovered SLEEP.
2. The person discovered FIRE.
Do you agree with me?
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