Parasomnias include abnormal acts like eating disorders while asleep, nightmares, sleep paralysis and sleep aggression.
睡眠机能紊乱包括了梦游进食、频发恶梦、睡眠麻痹、睡眠躁动等一系列失常症状。
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Drs. Hobson and Silvestri describe parasomnias as "errors in timing and balance" in the brain as it transitions between waking and sleeping [source: Hobson].
But parasomnias (sleep walking or night terrors); periodic limb movement disorder or restless leg syndrome; and other conditions, such as asthma and eczema, can also affect a child's sleep.