"A complete guide to the health and wellbeing benefits of sleep"
Tips (in english) for better sleep (2018).
Is there a link between the way you eat and the way you sleep? Nutrition and sleep 
If you want to know your chronotype, please click on this link https://www.bioinfo.mpg.de/mctq/core_work_life/core/introduction.jsp
17.04.2012 Harvard Health Publications: Late to bed, early to rise: a recipe to diabetes
Abstract from New England Journal of Medicine (October 2013) - Nightshift Work and the Risk for Cognitive Decline
Source : Devore EE et al. Shift work and cognition in the Nurses' Health Study. Am J Epidemiol 2013 Oct 15; 178:1296 (http://dx.doi.org/10.1093/aje/kwt214)
Among nurses in their mid-70s, rotating nightshift work in previous decades did not correlate with cognitive decline.
Rotating nightshift work has been correlated with increased risks for numerous physical disorders including obesity, type 2 diabetes, and cardiovascular disease, leading to concerns that shift work might also contribute to the risk for cognitive decline. These researchers analyzed data on 16,190 nurses participating in the Nurses' Health Study, who at ages 58 to 68 reported the number of years in their careers during which they had participated in rotating shift work and who had cognitive data starting 7 years later (mean age, 74). Rotating shift work was defined as at least 3 nights per month in addition to day or evening shifts; exposure ranged from none to more than 30 years. Participants underwent three rounds of biannual cognitive testing (outcomes included 2 measures of global cognition plus verbal memory).
After factoring in age, education, living alone, hypertension, sleep duration, use of tranquilizers, depression, alcohol use, smoking, and exercise, the researchers found no consistent correlations between the number of years of nightshift work and later cognitive decline. On one measure only, lower cognition was associated with rotating shift work, but only for women reporting more than 20 years of such work.
Finer-grained analyses might reveal associations between cognitive decline and rapidly alternating nightshift work. Also, the impact of such nightshifts might differ in men or individuals in other lines of work. Rotating nightshift work might destabilize circadian rhythms in individuals with mood and other psychiatric disorders. Nevertheless, these findings may comfort those in health professions (and perhaps others) who engage in nightshift work. From what we know now, rotating nightshifts appear to add little if any risk for cognitive decline.
Chronic Fatigue Syndome
11.3.2011, Stanford University´s Healthcare Library: Dr. Jose Montoya on Chronic Fatigue Syndrome (video)

Idiopathic Hypersomnia
Living with hypersomnia: dedicated website

Insomnia and sleep disturbances
3.6.2014, Medical News Today: Does marijuana use cause sleep problems?
11.03.2014, NEJM, Women´s Health:
Sleep Disturbances During the Menopausal Transition - See more at: http://www.jwatch.org/na33784/2014/03/11/sleep-disturbances-during-menopausal-transition?query=etoc_jwwomen#sthash.Z6IhRNhm.dpuf
09.07.2012, Time: Nightmare scenario
Susanna Hellén´s research paper on insomnia in the elderly (abstract in english page 4) : Sleeping medicines are mainly for temporal use. Despite this some senior citizens use sleep medicines for months or even years continuously. The treatment of insomnia amongst senior citizens should be based on finding out the reason(s) causing the insomnia and their treatments. The primary treatment on insomnia should be based on non-medicine cure.
SLEEP Volume 34 / Issue 08 - Monday, August 01, 2011 (englanneksi) : Nightime Insomnia




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