Light Exposure Theory

Light Exposure Theory suggests that our exposure to natural and artificial light influences our biological rhythms, mood, and overall health. Bright light, especially in the morning, helps regulate the circadian rhythm—our internal clock—by signaling when to wake, be alert, or rest. Proper synchronization of this cycle improves sleep quality, mood, and cognitive function. Conversely, insufficient or irregular light exposure can disrupt these processes, leading to sleep problems, depression, or fatigue. The theory underscores the importance of managing light exposure throughout the day to promote optimal well-being.