Sleep cycle with labeled night stages and phases description outline diagram. Educational scheme with biological brain and body processes vector illustration. Delta waves, deep relax and eye movement. premium vector by VectorMine

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vector circle illustration person human model health healthy natural pattern wellbeing healthcare breathing medical bed time clock concept night sleep relax biological body information hour cycle outline deep routine wellness bedtime chart process schedule scientific rhythm scheme educational brain diagram levels wake stages regulation awake phase fatigue labeled infographic

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