Bounce daylight deeper using matte, pale walls and a well-placed mirror angled toward the ceiling, not the pillow. Keep window sills tidy to maximize glass area. If sunlight is limited, pair a full-spectrum desk lamp with task lighting across the room to encourage alertness without harsh hotspots.
About two hours before bed, shift to 1800–2700K light and reduce intensity dramatically. Use lamps with shades, hidden LED strips behind headboards, and candlelike glow. The aim is soft edges and long shadows that nudge the nervous system toward rest and protect evening calm from intrusive brightness.
Total blackness supports deeper rest, yet small spaces need orientation at night. Install motion-activated, low-level amber guides beneath the bed or along the baseboard. They protect toes, preserve melatonin, and keep the room free of jarring light that wakes the mind unnecessarily.