Stage 1 (NREM)– The first stage of sleep in NREM, which stands for Non-Rapid Eye Movement, is known as the quiet sleep. This is considered to be a very light form of sleep where many people experience a feeling of falling. However this is a critical stage of sleep because of the theta waves it produces, which help to slow down your body’s activity. This stage only usually lasts up to 10 minutes.
Stage 2 (NREM)– This stage is also a crucial part of getting adequate rest. During this sleep stage, your heart rate and body temperature both decrease in preparation for REM. If you’re not sleeping well at night, tracking this specific sleep stage with a Fitbit One can help you see just what’s keeping you from attaining a deeper, more fulfilling sleep
Stage 3 (NREM)– This is where you brain really starts to prepare for deep sleep by producing delta waves. It’s also known as the stage between light and heavy sleep. This is also a great stage to track with your Fitbit One because it really shows what your body is like during preparation to go into REM.
Stage 4 (NREM) – Many times, Stages 3 & 4 are combined because of their similarities, however stage 4 is the last step before REM. This stage is shorter than the previous one because it only lasts for about 30 minutes. Scientists have done research about stage 4 and unusual sleep activity, like sleep walking or sleep talking, almost always happens during this stage.
Stage 5 (REM) – REM is considered the most deep and beneficial stage of sleep. However, it usually takes a few cycles of NREM for this to occur. Your body goes through many cycles of these stages a night, with the first REM stage being short and getting longer throughout sleep. With a Fitbit One monitor, you’re able to really see how long these stages are and pinpoint your problem stages.
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