Wiki broncode van V, W, X, Y, Z

Laatst gewijzigd door Jan van der Pluijm op 2024-28-10
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1 == V, W, X, Y, Z ==
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3 === V ===
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5 vinger-oxymetrie - meting van het zuurstofgehalte in het bloed via vingertopje
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7 === W ===
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9 **Wake Time** - The total time scored as wakefulness in a polysomnogram occurring between "lights out" and final awakening.
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11 **White Noise** - A mixture of sound waves extending over a wide frequency range that may be used to mask unwanted noise that interferes with sleep. Also called white sound.
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13 **Wilkinson Addition Test** - A performance test in which the subjects add numbers for one hour. Often included in a battery of tests to measure the impact of acute or chronic sleep loss.
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15 **Withdrawal** - The negative effects experienced when a person stops taking sleeping pills.
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17 === X ===
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19 Nil
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21 === Y ===
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23 Nil
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25 === Z ===
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27 **Zeitgeber** - An environmental time cue that entrain biological rhythms to a specific periodicity. Known Zeitgebers are light, melatonin and physical activity. To be effective, these signals must occur when the biological clock is in a responsive phase.
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29 zuurstofdesaturatie - sterke daling van de zuurstofgehaltes: 5% wordt afwijkend beschouwd.