How to Enable 'Night Shift' Mode to Prevent Your iPhone from Keeping You Awake at Night
If you're reading articles in bed or scrolling through Facebook before trying to fall asleep, you'll spend much less time on your iPhone before drifting off into slumber as long as you're using the right display mode. Our brains are very reactive to the light our eyes intake. Bright blue light, like that emanating from your iOS device, has a negative effect on your circadian rhythm in the evening, actually preventing the buildup of melatonin — the hormone that anticipates darkness — so that your brain doesn't know it's time to sleep yet. This makes it hard to fall asleep at night. To prevent... more
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