The closed door of a room during night-time is, for that room’s inhabitant, a sign of security and isolation at the same time. Many a child has been torn before the dilemma of an opened or closed bedroom door.

The closed door of a room during night-time is, for that room’s inhabitant, a sign of security and isolation at the same time. Many a child has been torn before the dilemma of an opened or closed bedroom door.