Sleep Stages: sleep is something that happens naturally. And it is an important thing for the body. Because it allows the body and brain to rest fully. So if you don’t get enough sleep or are sleep-deprive It will cause a lot of negative effects on the body.
Moreover, sleep has different stages of sleep. It is divid into 2 stages: normal sleep stage and the dream sleep period as follows:
Normal sleep stage (Non-Rapid Eye Movement: NREM): Normal sleep has 3 levels,ทางเข้า ufabet, which depends on the pattern of electromagnetic waves in the brain:
- Level 1 (Stage N1 Sleep) is the stage when the body changes from a state of wakefulness into deep sleep. It is consider the first stage of sleep. People often don’t realize they’re asleep.
- Level 2 (Stage N2 Sleep) is the stage in which the body sleeps soundly. Accounts for 40-50 percent of the sleep period.
- Level 3 (Stage N3 Sleep) is the stage where the body sleeps deeply and sleepwalking may occur. It accounts for 20 percent of sleep time for teenagers. Most people sleep deeply in the first half of the night. This is also when the body releases growth hormone and other hormones that help the body repair tissue. build bones and muscles Including strengthening the body’s immune system. Sleeping at this stage is therefore very important.
Rapid Eye Movement (REM): During this period of sleep, there will be rapid eye movements. During this time, our brain works similarly to when we are awake. This is the time to dream more than other periods of sleep. Sleeping in this helps with memory. permanent learning and imagination
Sleep cycle work: As we begin to sleep We will enter the Non-REM stage 1 and gradually go to stages 2, 3 respectively, then fall back into the Non-REM stage from stage 3 to stages 2, 1 and then enter the REM stage. Then begin to return to the Non-REM phase 1, 2, 3 again, which is the beginning of a new round of the sleep cycle.
From the beginning of REM to the beginning of another REM cycle is call a sleep cycle. One sleep cycle takes about 90 minutes, which consists of a Non-REM period of about 80 minutes and a period. REM is another 10 minutes in a night of sleep. There should be approximately 3-6 sleep cycles to be consider good and efficient sleep.
Each body needs different amounts of restful sleep. There are also no clear guidelines for the amount of sleep that is necessary and appropriate for everyone. However, people of different ages should sleep for an approximate appropriate amount of time as follows:
- Babies should sleep 16-18 hours a day.
- preschool children You should sleep 10-12 hours a day.
- older children attending school and teenagers You should sleep at least 9 hours.
- Adults should sleep 7-9 hours.
- Pregnant women in early pregnancy You should sleep more than usual.
Additionally, sleep stages change with age. People who get older will sleep less deeply, have difficulty falling asleep, and wake up easily.