Setup and requirements

Open Settings > System > Display > Night light to adjust warmth and schedule it from sunset to sunrise or for custom hours. Quick Settings on the taskbar can toggle it for an immediate change. Use a schedule for a regular evening routine and the quick toggle for a one-off late session. Sunset-based timing can depend on Windows time and location settings, so check the schedule if it activates at an unexpected hour.

A practical use

Night light makes the display warmer and changes how colors appear. Turn it off while editing photographs, checking print colors, or grading video, then restore it after reviewing color. Windows provides a color adjustment, not a guarantee that eye strain will disappear or sleep will improve. Choose a strength that feels comfortable for ordinary reading, but pause the effect when visual color accuracy is part of the task.

Practitioner perspective

Microsoft’s display guidance explains strength, scheduling, and the cases where certain display drivers make Night light unavailable. Windows Central’s PC setup coverage walks through enabling the feature. These sources establish how to change the display appearance; they do not establish a medical outcome or guarantee comfort for every viewer. A practical setup uses a personally comfortable evening level and a separate, color-managed workflow for work where color judgment matters.

Limits and troubleshooting

Microsoft notes that Night light may be unavailable with some drivers, including DisplayLink or Basic Display. If the control is disabled, check and update the display driver, then revisit Settings. External monitors may not match the built-in screen. If the feature starts at an unexpected time, confirm the custom schedule and Windows time and region settings. For color work, use Quick Settings to turn it off before judging the image.

Sources and professional guidance