Insomnia is technically called sleep disorder. Sleep disorder refers to the difficulty in falling asleep and the changes in the sleep process, such as changes in sleep rhythm, including easy awakening, increased dreaming, reduced deep sleep, increased light sleep, and increased wakefulness, which affects the ability to perform daily life the next day, and is called insomnia. This condition is called insomnia, and excessive dreaming is often accompanied by an increase in the number of awakenings, which is called excessive dreaming and easy waking. Most people do not remember the dreams they have had because they are in the normal waking period and they do not know they have had dreams when they wake up, but in fact, according to the law of sleep, there are 4-6 cycles per night, so strictly speaking, you should have 4-6 dreams per night, but you do not know at all because you are in the normal waking period. If you wake up in a non-waking period, for example, if you happen to wake up in the dreaming period, which is also known as the rapid eye movement period, you will feel that you know you are dreaming after waking up in this case, and the number of waking up in this case is too many, and it forms a kind of dreaming, so dreaming is also a kind of insomnia.