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Επισκόπηση του βιολογικού κιρκάδιου ρολογιού στους ανθρώπους.
https://commons.wikimedia.org/wiki/File:Biological_clock_human.svg Sleep Duration and Health Consequences Several research studies have shown that sleep restriction to about 4 hours per night on 1 - 2 nights has significant effects on normal individuals. Studies have shown an increased heart rate and blood pressure(14), increased inflammation as measured by C-reactive protein (a marker of inflammation which can be measured in the blood and which has been proposed as a risk factor for coronary artery disease -(15), impaired glucose tolerance (which can be a prelude to the development of diabetes-(16), and increased hunger/appetite (which could promote obesity -(17) In addition, information obtained from questionnaires in large sample groups has also shown statistical associations between chronically reduced sleep duration and increased risk of hypertension (particularly in women) (18), (19); diabetes(20); and weight gain(21), (22), (23). These results are part...