Sleep Monitoring
Health Checkups
estimated about CNY 200-500
(estimated about USD 30-70)
一夜
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Description
Sleep monitoring in China helps diagnose sleep disorders like apnea or insomnia through overnight testing; costs typically range ¥200–500, and ChinaMedicalHub assists with hospital booking and interpreter support.
Main Uses
Sleep monitoring is primarily used to diagnose sleep disorders such as sleep apnea, periodic limb movement disorder, and narcolepsy. It is also useful for evaluating the effectiveness of treatments for these conditions, assessing sleep quality in patients with chronic fatigue or unexplained daytime sleepiness, and in research settings to study sleep patterns and their impact on health.
Normal Range
Sleep monitoring, also known as polysomnography, evaluates several parameters including total sleep time (TST, typically 7-9 hours for adults), sleep efficiency (SE, usually 85% or higher), and the number of awakenings (ideally less than 10 per night). Other indicators include REM sleep latency (usually under 20 minutes) and the apnea-hypopnea index (AHI, ideally less than 5 events per hour).
Low Values - Possible Causes
Insufficient sleep duration can be caused by poor sleep hygiene, stress, anxiety, or certain medications. Low sleep efficiency might result from sleep disorders like insomnia, frequent nighttime awakenings, or an uncomfortable sleeping environment. A low AHI is generally not a concern but could indicate overestimation in milder cases of sleep-disordered breathing.
High Values - Possible Causes
High values in sleep monitoring, such as increased AHI, are often due to obstructive sleep apnea, which can be exacerbated by obesity, alcohol consumption, or anatomical factors. Excessive daytime sleepiness, indicated by high Epworth Sleepiness Scale scores, may stem from narcolepsy, severe sleep deprivation, or circadian rhythm disorders. Prolonged REM sleep latency might suggest depression or the use of certain antidepressants.
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