Fototapeta Our bodies have an internal clock that controls our sleep-wake cycle and other daily rhythms. This is called the circadian rhythm.

Our bodies have an internal clock that controls our sleep-wake cycle and other daily rhythms. This is called the circadian rhythm.

Numer zdjęcia: 997493899, autor: © Best_Seller

Tytuł: Our bodies have an internal clock that controls our sleep-wake cycle and other daily rhythms. This is called the circadian rhythm.

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