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What is the Non-REM and REM sleep cycle and why is it important for your health?

Firstly, it’s important to mention that REM stands for Rapid Eye Movement. That’s the stage of your sleep when your eyes move around rapidly. However, the brain does not receive any visual information during this process.

  • The 1st Non-REM stage happens when you close your eyes. At this stage it’s very easy to wake up from any noise.

  • After 5-10 minutes, you will “enter” the 2nd non-REM phase, when your heart rate slows and the temperature of your body drops. This phase may last for 10-25 minutes.

  • The 3rd and final stage of non-REM sleep is when you sleep deeply. At this stage, it’s harder for someone to wake you up but when this happens you may feel disoriented for several minutes.

These three stages are very important for your health, as your body repairs, builds muscle and bones and your immune system is strengthened.


The REM sleep stage comes after the completion of the three Non-REM stages, that is 1 hour and 30 minutes after you fall asleep. The first REM sleep period usually lasts for 10 minutes and the ones that follow it get longer. The final stage of REM sleep may last up to 1 hour. REM sleep is very important for our brain, as it stimulates those areas of it that help with learning. Also, REM sleep is associated with protein production.


Quality eye masks can help you experience all the above very important sleep stages. Using an eye mask make you less prone to sleep disruptions.

The Lion Sleep Mask is designed with memory foam which allows it to take the shape of each person’s face. This means that you do not have to worry about any pressure on your eyes and thus, you avoid REM cycle disruption!

You deserve a healthy sleep cycle. Make this present to yourself today!