On Windows 11, head to Settings > Personalization > Colors and set Choose your mode to Dark. On macOS, click the Apple menu, then System Settings > Appearance > Dark.

For most of history, the unseen darkness was part of ordinary life. For example, families in medieval Europe slept in two acts—a “first sleep,” then a waking hour to pray, make love, or wander to a ...

The best thing you can do is simply watch in a dark room. The second best thing is to tinker with the settings.