Thalamus is the term, which is applied to describe the part of the brain that consists of two large ovoid structures at the base of the cerebrum. It acts as the vitally important relay stateion between the sensory nerves and the cerebral cortex.
Tolerance in reference to a drug, it describes the condition, when some certain medicine becomes no longer effective, and the more time it is used, the less effective it becomes.
Transient Insomnia is an insomnia, which usually does not last longer than one month (4 weeks). Such factors as being in a stressful and / or anxiety – producing events / conditions, some certain conditions of health, psychiatric illness, any kind of hormonal fluctuations, jet tag, environmental disturbances, etc may become the possible reason of chronic insomnia.
U
Ultradian Rhythm is called the periodicity of less than 24 hours.
Uvulopalatopharyngoplasty (UPPP) is the name of the surgical intrusion, which is conducted on the throat with the aim of treating Snoring and Sleep Apnea. During this surgery soft tissue of the back of the throat, as well as the soft palate is removed. In case if there is any excess tissue in the tonsils, it may also be removed. W
White Noise is called the heterogeneous mixture of sound waves, which is extending over a wide frequency range, and which may be applied with the aim of some unwanted noise that may interfere with sleep, masking.
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Zaleplon (brand name Sonata) is the name of a sedative hypnotic drug, which influences the central nervous system’s functioning. It is usually applied as a sleep medicine.
Zeitgebers is translated like the “time givers” from German. These are any external cues, such as familiar morning sounds and / or noises, sunlight, meals, etc., which influence the Circadian Cycle.
Zolpidem (brand mane Ambien) is the name of a sedative hypnotic drug, which influences the central nervous system’s functioning. It is usually applied as a sleep medicine.
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