The various stages of sleep

Our brain is active throughout our lives. Depending on our state, the type and intensity of activity varies. When we are awake, our brain is constantly being stimulated by external inputs (from our senses), receiving information from our own body.

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Sleep duration

Sleep is one of the body’s vital needs. To maintain our health, to feel rested during the day and to perform at our best, several conditions must be met : sufficient sleep duration, adequate sleep quality and regular sleep patterns so as not to suffer from sleep disorders.

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