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Letrozole, sold under the brand name Femara among others, is an aromatase inhibitor medication that is used in the treatment of breast cancer for post-menopausal women. [ 1 ] It was patented in 1986 and approved for medical use in 1996. [ 4 ]
Psychophysiological insomnia is anxiety-induced. Idiopathic insomnia generally begins in childhood and lasts for the rest of a person's life. It's suggested that idiopathic insomnia is a neurochemical problem in a part of the brain that controls the sleep-wake cycle, resulting in either under-active sleep signals or over-active wake signals.
“Short track record means that new, unexpected side effects are possible,” it explains. “Since this drug has a different way of acting than other insomnia drugs, the experience with it is particularly limited.” The label gives brief details on alternative remedies for insomnia, like cutting down on caffeine.
Insomnia is the most common sleep problem, with many adults reporting occasional insomnia, and 10–15% reporting a chronic condition. [117] Insomnia can have many different causes, including psychological stress , a poor sleep environment, an inconsistent sleep schedule, or excessive mental or physical stimulation in the hours before bedtime.
Chemical structure of the prototypical Z-drug zolpidem. Nonbenzodiazepines (/ ˌ n ɒ n ˌ b ɛ n z oʊ d aɪ ˈ æ z ɪ p iː n,-ˈ eɪ-/ [1] [2]), sometimes referred to colloquially as Z-drugs (as many of their names begin with the letter "z"), are a class of psychoactive, depressant, sedative, hypnotic, anxiolytic drugs that are benzodiazepine-like in uses, such as for treating insomnia [3 ...
A circadian rhythm is an entrainable, endogenous, biological activity that has a period of roughly twenty-four hours. This internal time-keeping mechanism is centralized in the suprachiasmatic nucleus (SCN) of humans, and allows for the internal physiological mechanisms underlying sleep and alertness to become synchronized to external environmental cues, like the light-dark cycle. [4]
Zolpidem tartrate, a common but potent sedative–hypnotic drug.Used for severe insomnia. Hypnotic (from Greek Hypnos, sleep [1]), or soporific drugs, commonly known as sleeping pills, are a class of (and umbrella term for) psychoactive drugs whose primary function is to induce sleep [2] (or surgical anesthesia [note 1]) and to treat insomnia (sleeplessness).
Zaleplon is slightly effective in treating insomnia, [11] primarily characterized by difficulty falling asleep. Zaleplon significantly reduces the time required to fall asleep by improving sleep latency and may therefore facilitate sleep induction rather than sleep maintenance.