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Delayed sleep phase disorder ( DSPD ), more often known as delayed sleep phase syndrome and also as delayed sleep–wake phase disorder, is the delaying of a person's circadian rhythm (biological clock) compared to those of societal norms. The disorder affects the timing of biological rhythms including sleep, peak period of alertness, core body temperature, and hormonal cycles .
Randy Gardner sleep deprivation experiment. Randy Gardner (born c. 1946) is an American man from San Diego, California, who once held the record for the longest amount of time a human has gone without sleep. In December 1963/January 1964, 17-year-old Gardner stayed awake for 11 days and 24 minutes (264.4 hours), breaking the previous record of ...
GPS dates are expressed as a week number and a day ... spreadsheet program Microsoft Excel as of ... therefore stop the counter from advancing during sleep.
March 10 -16 is Sleep Awareness Week 2024, and our sleep experts say these four tips will help you start sleeping better as soon as tonight
Amid a busy week of traveling, playing shows and dropping his debut album — and while being on just one hour of sleep — Summit opens up about his journey from frat parties to main stages, his ...
The National Sleep Foundation ( NSF) is an American non-profit, charitable organization. Founded in 1990, its stated goal is to provide expert information on health-related issues concerning sleep. [1] It is largely funded by pharmaceutical and medical device companies.
A sleep diary is a record of an individual's sleeping and waking times with related information, usually over a period of several weeks. It is self-reported or can be recorded by a caregiver. The sleep diary, or sleep log, is a tool used by doctors and patients. [1] [2] [3] It is a useful resource in the diagnosis and treatment of especially ...
The average adult needs to sleep for 7 to 8 hours every 24 hours, and sleep deprivation can occur if they do not get enough sleep. [3] Acute sleep deprivation is when a person sleeps less than usual or does not sleep at all for a short period of time, normally lasting one to two days, but tends to follow the sleepless pattern for longer with no outside factors in play. Chronic sleep ...