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Yes. Lack of sleep reduces the capability of your immune system. Eventually (~ 2 weeks) you will die if you do not sleep (usually from a failed immune system). [http://serendip.brynmawr.edu/exchange/node/1690]
Plants lack nervous system.
Lack of an immune system alone does not result in AIDS; you can have a deficient immune system from cancer, congenital defect or allergic reaction to certain drugs. AIDS (acquired immunodeficiency syndrome) is the end-stage of the disease complex caused by infection with HIV (human immunodeficiency virus). AIDS was named and described in the medical literature before HIV was discovered, which explains why there are two names for essentially one disease. A person is diagnosed with AIDS when the person is HIV positive and has a circulating T-cell count below 200/ml. Functionally, this person has little to no adaptive immune system, although the innate immune system is still functioning to some degree.
Lack of sleep, Lack of fluid's, Anything attacking a already weak immune system.
Lack of sleep does cause your immune system to be weaker so yes.
inherited immunodeficiency syndromeacquired immunodeficiency syndrome
No. They lack a nervous system
Usually colds happen when one's immune system is weak. This is caused by many things, lack of sleep, vitamin deficiency etc. But colds are tiny viruses which attack the immune system. Eventually the immune system will overcome them. That's why you eventually get better.
Plants lack the advanced nervous system and brain that we humans possess.
Nonvascular plants lack lignin-impregnated conducting cells. They also lack an extensive transport system.
Lack of sleep can cause people to get groggy or crabby during the day. It can also affect some peoples growth or immune system.
Environmental water sources, absorption and lack of a vascular system limit moss plants sizes!