Many people have a habit of checking their phones before going to sleep. It may start with one quick check, but one piece of content can easily lead to another until bedtime gets pushed later.
Reading offers a different kind of activity. It encourages attention to stay with one story or subject instead of constantly jumping between different pieces of content.
It can also become a signal that the day is winding down. When reading is done around the same time each night, it can naturally become part of a consistent bedtime routine.
The book does not need to be complicated. A novel, biography, history book, or light reading can work just as well as long as it feels comfortable rather than mentally overwhelming.
The environment matters too. Adequate lighting and a comfortable reading position are important, especially when the eyes are already tired.
So reading before bed is not only about learning something new. For some people, it is also a simple way to slow down after a day filled with constant information and digital distractions.