Months !link!: Winter

Within 30 minutes of waking, sit next to a for 20–30 minutes. Do not look directly at it; just let it shine indirectly into your eyes. This signals your brain to suppress melatonin and boost serotonin.

Winter disrupts sleep in unexpected ways. winter months

While often discussed in summer, the Urban Heat Island (UHI) effect alters winter ecology. In dense urban centers, artificial heat reduces snow cover, altering the albedo effect and increasing nighttime temperatures. This creates a "false spring" environment that disrupts local biodiversity and plant dormancy cycles, leading to ecological misalignment. Within 30 minutes of waking, sit next to