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Quinine is an alkaloid, a naturally occurring chemical compound. [5] How it works as a medicine is not entirely clear. [5] Quinine was first isolated in 1820 from the bark of a cinchona tree, which is native to Peru, [5] [9] [10] and its molecular formula was determined by Adolph Strecker in 1854. [11]
Or maybe you nod off as soon as you get in bed, but then wake up at 2 a.m. and can’t get back to sleep. Logging seven to nine hours of sleep each night is one of the best things you can do to ...
Sleep research conducted in the 1990s showed that such waking up during the night may be a natural sleep pattern, rather than a form of insomnia. [2] If interrupted sleep (called "biphasic sleeping" or "bimodal sleep") is perceived as normal and not referred to as "insomnia", less distress is caused and a return to sleep usually occurs after ...
Nap With Caution. If you feel yourself getting sleepy mid-afternoon, that's natural. "As humans, we all feel tired around the same time of day, 2–4 p.m.," says Smarr.
Parthenium integrifolium is a species of flowering plant in the family Asteraceae known by the common names wild quinine, American feverfew, and eastern feverfew. It is native to the eastern and midwestern United States.
A wakefulness-promoting agent (WPA), or wake-promoting agent, is a drug that increases wakefulness and arousal. [1] [2] [3] They are similar to but distinct from psychostimulants, which not only promote wakefulness but also produce other more overt central nervous system effects, such as improved attention span, executive functions, vigilance and motivation.
Doctors and physical therapists explain what charley horses are, why they happen, and how to prevent and treat the painful and annoying muscle cramps.
Cinchona pubescens, also known as red cinchona and quina or kina (Spanish: Cascarilla, cinchona; Portuguese: quina-do-amazonas, quineira), is native to Central and South America. It is known as a medicinal plant for its bark's high quinine content- and has similar uses to C. officinalis in the production of quinine, most famously used for ...
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