The most common symptoms included difficulty in falling asleep and sleepingdisturbance.
入睡困难和睡眠维持障碍（早醒伴再入睡困难）是最常见的症状。
2
Functions: shading the light, extending the sleep time, and clearing away from the disturbance of external light during sleeping.
产品作用：遮光养神、延长睡眠，消除外界光线对您睡眠的干扰。
3
Micromovement sensitive mattress-type sleep monitoring system with little disturbance to natural sleeping can be used easily to detect sleep disordered breathing and determine the sleep quality.