Stage 4 REM Sleep
Stage 4 REM sleep is when your brain becomes active to the level seen when you are awake. In this stage, vivid dreams occurs and rapid eye movement happens. REM sleep is critical to cognitive functions like memory, learning, and creativity. Deep Blue records your sleeping at this stage.
Stage 1 NREM Sleep
1-5 Mins
Brian slows down
Eye movement slows down
Body relaxes
Eye movement stops
Awareness decreases
Body temperature drops
10-60 Mins
Stage 2 NREM Sleep
Deep sleeping begins
Breathe and heart rate slow down
Body relaxes completely
20-40 Mins
Stage 3 NREM Sleep
Brain becomes active
Eye movement increases
Dream begins
10-60 Mins
Stage 4 REM Sleep
4 Sleeping Stages
A person undergoes 4 to 6 cycles of sleeping stages in 1 sleep
The 4 sleeping stages can be categorized in non-rapid-eye-movement sleep (NREM) and rapid-eye-movement sleep (REM).
Level of brain activity
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Deep Blue
Dream Visualization System
Summer 2022