Graph illustrating data from a study on how sleep fragmentation affects sleep quality. More fragmented sleep reduced the amount of time spent in deep sleep,with less time in Stage 3 sleep,and Stage 4 sleep eliminated altogether | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Shockey, Gwen |
Bildgröße: | 3744 px × 3000 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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