CALUFUL BED &MATTRESS MANUFACTURING LTD.
ENGLISH
Menu
What are you looking for?
Latest News
  • Here are 10 Tips for Getting Good SleepHere are 10 Tips for Getting Good SleepSeptember 22, 2017Tip 1 -- avoid caffeine, alcohol, and tobaccoOf course, that doesn't mean you're going to say goodbye to all of these bad habits. We just suggest that you stay away from them a few hours before bedtim...view
  • How to prevent insomnia ?How to prevent insomnia ?September 21, 2017The prevention of insomnia is mainly to relax the body completely, relaxed is to refer to psychological and body fully relaxed, to the psychology how we relax, how do we relax psychologically.One is n...view
  • What are the criteria for quality sleep ?What are the criteria for quality sleep ?September 20, 2017As people become more and more concerned about sleep, many of the medical concepts of sleep also come into our lives, such as deep sleep, light sleep, effective sleep, and so on. But few people really...view

Sleep State

Sleep state refers to the appearance of a person during sleep. There are four stages of sleep relative to waking state, sleep, light sleep, deep sleep, and continue to sleep, each cycle can be divided into four stages of sleep.

The characteristics of each stage are as follows:

Fall asleep

Phase I (or phase I): Sleep phase  Start with drowsiness, fall asleep, and stop waking up.  At this time, the breathing slows down, the muscle tone drops, the body is mildly relaxed, and at this time it is the initial state of sleep, sleepers are more likely to be aroused by external sounds or triggers.

Shallow sleep stages

Phase ii (or phase ii): Light sleep stages, or light sleep stages.

This stage sleep is shallow sleep or mild to moderate sleep, the sleeper is not easily awakened, at this time the muscle is further relaxed, the eeg shows the fusiform sleep wave.

Deep sleep stages

Phase iii (or phase iii): Deep sleep, when the sleeper enters deep sleep, the muscle tension disappears, the muscles relax and the sensory function is reduced further and less likely to be aroused.

Continue deep sleep

Phase iv: This stage is an extension of the third stage, but not every sleeper can reach this stage, and not every sleep cycle can reach.
Some people don't get enough sleep to get to this stage, or only the third and fourth stages of sleep.

Related News
  • The Characteristics and Functions of Sleep

    The Characteristics and Functions of Sleep

    August 22, 2017More than one third of one's life time is spent in morpheus, and all need to keep the right amount of sleep daily, otherwise, people are prone to physical or mental illness, this means that sleep is s...view
  • Here are 10 Tips for Getting Good Sleep

    Here are 10 Tips for Getting Good Sleep

    August 22, 2017Tip 1 -- avoid caffeine, alcohol, and tobaccoOf course, that doesn't mean you're going to say goodbye to all of these bad habits. We just suggest that you stay away from them a few hours before bedtim...view

Corporate Info

Contact Us