The iPhone’s nightstand display functionality, particularly as it exists within the iOS 17 operating system, transforms the device into a bedside clock and information center when placed on its side and connected to a power source. This mode dims the screen and displays the time, date, and, potentially, alarm information in a manner easily viewable from a prone position. For example, upon connecting a charging cable to the iPhone while it is horizontally oriented, the screen automatically transitions to a low-brightness display showing relevant details.
The value of this feature lies in its provision of at-a-glance information without requiring the user to fully wake or actively interact with the device. This minimizes sleep disruption and offers a convenient way to monitor time while resting. Its origins trace back to a desire to optimize the iPhone’s utility beyond its primary communication and entertainment functions, leveraging its screen as a passive information display during periods of inactivity. It evolved as a feature designed to blend seamlessly into the user’s nighttime routine, providing practical information with minimal intrusion.