It is also common for these stages of sleep, throughout the evening, to continue shifting – for example, individuals tend to experience an increased percentage of NREM (non-rapid eye movement) sleep during the first half of the night, while tending to experience an increased percentage of rapid eye movement activity in the second part.Īs the initial stage of what’s known as the “non-REM sleep cycle,” this transports a sleeping individual from a state of wakefulness to “lullaby land ” in all seriousness, this stage lasts just a few minutes, contrary to popular belief, and is considered the lightest stage of slumber. As we have obviously already alluded to, the stages of sleep occur in cycles, each lasting approximately 90 to 120 minutes, with normal individuals undergoing about four to five sleep cycles during the night. In this post, we are going to take a look at the different stages of sleep, from what is known as the “awake” stage to the more commonly-known REM (rapid eye movement) sleep, because it’s important to understand that each sleep stage plays a part in allowing your body and mind to wake up refreshed.īefore we get started, let’s go over some fundamentals about the different sleep cycles. According to research we’ve looked at and analyzed, the average human being spends a third of their life sleeping, and it should come as no surprise that good sleep equates to good health. When we’re young, we really don’t think about it too much, but after we’ve put some years behind us and have to catch a good night’s rest in order to function at a job in the adult world, we come to understand the value of sleep.
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