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| E-G | Electroencephalogram (EEG) is the kind of a procedure, during which the electrical activity, which is associated with the brain activity, is measured.
Electromyogram (EMG) is the kind of a procedure, during which the electrical activity, which is associated with the muscle movements, is measured.
Electrooculogram (EOG) is the kind of a procedure, during which the electrical activity, which is associated with the eye movements, is measured.
Endocrine System is the name of the ductless glands, which are present in most living organisms, function by secreting hormones.
Entrain means to reset or align with someone’s biological clock.
Epworth Sleepiness Scale is a scale, with the help of which it is possible to indicate the propensity to sleep during the day as perceived by patients. This scale is used to measure sleep deprivation.
Excessive Daytime Sleepiness (EDS) is it the subjective report of difficulty in staying awake, which is accompanied by a ready entrance into sleep as soon as a person is sedentary. EDS may be a sign of some significant sleep disorder. Moreover, such factors, as anxiety, boredom, depression, stress, may become the reasons of excessive sleepiness.
Endogenous Rhythms are any rhythms, which are given by an internal, self – sustaining biological clock of every single individuality, rather than by any signals, such as light, noise, etc., which are external to the human organism.
Exogenous Rhythms are any rhythms, which are regulated by some external influence, such as an environmental cue. These rhythms are not generated in an internal way by the organism.
F
Fatigue is the term, which is used to describe any feeling of lack of energy, tiredness, weariness, and it is usually associated with lower performance (either physical or mental). This condition can develop in response to boredom, emotional stress, lack of sleep, physical exertion, etc.
Familial Disease means the kind of a disease, which is transmitted through genes from father or mother to son or daughter over the generations. Insomnia may also be considered a familial disease; though, it is of an acquired character more often.
G
GABA (Gamma – Aminobutyric Acid) is the name of an amino acid, contained in the brain, which aids sleep by providing the natural relaxation of the muscles of the body and by calming all emotions down.
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