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Polyphasic sleep is the practice of sleeping during multiple periods over the course of 24 hours, in contrast to monophasic sleep, which is one period of sleep within 24 hours. Biphasic (or diphasic, bifurcated, or bimodal) sleep refers to two periods, while polyphasic usually means more than two. [1] Segmented sleep and divided sleep may refer ...
Sleep deprivation, also known as sleep insufficiency[2] or sleeplessness, is the condition of not having adequate duration and/or quality of sleep to support decent alertness, performance, and health. It can be either chronic or acute and may vary widely in severity. All known animals sleep or exhibit some form of sleep behavior, and the importance of sleep is self-evident for humans, as ...
I'm So Tired. " I'm So Tired " is a song by the English rock band the Beatles from their 1968 double album The Beatles (also known as "the White Album"). It was written and sung by John Lennon, though credited to Lennon–McCartney. Lennon wrote the song during the Beatles' stay in India about insomnia he was having due to constant meditation ...
The optimal nap duration is around 10–20 minutes, as researchers have proven that it takes at least 30 minutes to enter slow-wave sleep, the deepest period of sleep. [44] Napping too long and entering the slow wave cycles can make it difficult to awake from the nap and leave one feeling unrested. This period of drowsiness is called sleep inertia.
A recent study found that drinking up to two cups of artificially sweetened beverages per day—and more than two cups of sugar-sweetened beverages per day—may increase the risk of developing ...
I started thinking about killing myself when I was 3 or 4 years old. I've tried nine times. This is why I'm still here.
An oil painting of a young woman having a siesta, or an afternoon nap, which usually occurs after the mid-day meal. Postprandial somnolence (colloquially known as food coma, after-dinner dip, or "the itis") is a normal state of drowsiness or lassitude following a meal. Postprandial somnolence has two components: a general state of low energy ...
Sleep deprivation – the condition of not having enough sleep – is a common health issue for students in higher education. This issue has several underlying and negative consequences, but there are a few helpful improvements that students can make to reduce its frequency and severity. [1]