小孩睡觉乱动的类型

读者: 8851    发布时间: 2007

原文: Types Sleep Disorders in Babies

Two major causes of sleep disorders in babies are behavioral problems and parasomnias. Sleep disorders in babies are many times different than the symptoms of an adult. That is why it is very important for parents and caregivers alike to be aware of this fact. Sleep disorders in babies are in fact incredibly common, and the parasomnias – sleep terrors, somnambulism and enuresis – often appear to be related to central nervous system immaturity and are therefore usually outgrown.

Different Types of Sleep Disorders in Babies

Parasomnias are the most common type of sleep disorders in babies, and are characterized by abnormal polysomnography. These are usually episodic in nature and for the most part are a reflection of the immature central nervous system. Parasomnias can even be passed on through genes, and as a group, these disorders are paroxysmal, as in they are predictable in their appearance in the sleep cycle, nonresponsive to environmental manipulation, and are characterized by retrograde amnesia.

Infants go through a complete sleep cycle about every hour, which means that they are in incredibly light sleep, and this explains why they usually wake up many times during a night. Whereas with a newborn you could find them sleeping for different lengths at various times of day, by the time a child is four months old, they will probably be sleeping around six to eight hours a night. Usually by the time they are six months old, they will sleep around 10 to 12 hours a night.

There is also the matter with babies who experience insufficient breathing during sleep, which can result in Sudden Infant Death Syndrome, or SIDS. The syndrome refers to any sudden and unexplained death of an otherwise apparently healthy infant, who is aged anywhere between newborn to one year. It is responsible for roughly 50 deaths per 100,000 births in the United States; as frightening as SIDS is, it’s responsible for far fewer deaths than those related to congenital disorders or disorders related to short gestation.

Some of the prenatal risks for SIDS include: Inadequate prenatal care, insufficient prenatal nutrition, smoking, use of heroin, teenage pregnancy, and less than a one year interval between subsequent births. Some of the postnatal risks for SIDS are: Low birth weight, exposure to tobacco smoke, laying an infant to sleep on his or her stomach, failure to breastfeed, excess clothing and overheating, excess bedding and stuffed animals, gender — SIDS occurs more frequently in males — and age; incidence rises from zero at birth, is highest between two to four months and goes towards zero at one year of age.

译文: 小孩睡觉乱动的类型

小孩睡觉乱动的两个主要因素是行为问题和异态睡眠。小孩睡觉乱动比起成人的症状极其不同的。这就是为什么对与父母和医护者来说意识到这个事实是非常重要的。小孩睡觉乱动事实上是很普遍的,而异态睡眠---睡眠惊恐,梦游症和尿床---常常似乎与中枢神经系统的未成熟有关,因此长大了通常就不再这样了。

小孩睡觉乱动的不同类型

异态睡眠是小孩睡觉乱动最普遍的类型,并且具有反常多导睡眠的特征。这些通常在本质中表现为插曲式的,大多数情况下是未成熟的中枢神经系统的反射。异态睡眠甚至能通过基因传递,并作为一个整体,这些乱动行为是阵发的,正如在睡眠周期中,在他们的外表上能得知这些乱动行为是可预料的,不反应于环境的变化,具有退化的健忘特征。

婴儿大约每小时经历一个完整的睡眠周期,这就意味着他们处在一个很容易醒的睡眠阶段,这就解释了他们为什么通常在一个晚上要醒很多次。而与一个新生儿在一起,你会发现在一天中的好几个时段,他们睡眠时间的长短是不同的,到一个孩子四个月大的时候,他们每晚的睡眠时间大约是六到八小时。通常到他们六个月大的时候,他们每晚的睡眠时间大约是10到12个小时。

同样小孩也有毛病,在睡觉时,他们的呼吸不太匀称,这会导致突发性婴儿死亡综合症,或称为SIDS。这种综合症状可涉及任何突发症状,而且无法解释一个其他方面显然都健康的婴儿是如何死亡的,在这个新生儿出生一年时,他的任何地方都显得成熟了。在美国,每10,0000个新生儿中大约有50个死亡,这个数据是值得信赖的;与突发性婴儿死亡综合症一样令人害怕的是,比起那些与先天的病症有关或与怀孕时期短有关的病症相比,新生儿死亡率较低也是值得信赖的。

对于突发性婴儿死亡综合症的一些出生以前的风险包括:出生以前不适当的照料,出生以前不充足的营养,吸烟,吸食海洛因,在青少年时期怀孕,在随后的分娩期间至少距离一年时间。对于突发性婴儿死亡综合症的一些出生后的风险是:出生是的体重过轻,受到吸烟者的烟熏,躺在婴儿的胃上睡觉,未能母乳喂食,穿衣服过多或过热,床上用品过多或有实心的动物玩具,性别---突发性婴儿死亡综合症发生频率更多的是在女婴身上---年龄;出生时发生率从零开始上升,在两到四个月之间是最高的,在一岁的时候向了零发展。