Melanopsin pathway diagram showing how purple light hijacks sleep: light ray enters retina, activates ipRGCs (intrinsically photosensitive retinal ganglion cells), triggers retinohypothalamic tract to suprachiasmatic nucleus (SCN), causing melatonin suppression and insomnia at night

Is Your Bedroom Color Keeping You Awake? The Science of Design

Is Your Bedroom Color Keeping You Awake? The Science of Design Is Your Bedroom Color Keeping You Awake? The Science

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