Why Do I Feel Lazy on Rainy Days?

You may feel lazy on rainy days primarily because the decreased natural sunlight impacts your body's internal clock, known as the circadian rhythm.

The Connection Between Rainy Weather and Energy Levels

Feeling tired or experiencing lethargy during rainy weather is a common phenomenon. A primary reason for this feeling is the impact of weather on natural light levels.

Rainy and overcast conditions significantly reduce the amount of natural sunlight available. This decrease in light exposure directly affects your body's circadian rhythm, which is your internal biological clock regulating sleep-wake cycles and energy levels.

When your body receives less natural light, particularly bright morning light, it can disrupt the signals that keep your circadian rhythm aligned. This disruption can make your body feel like it's later in the day or trigger responses typically associated with nighttime or rest, potentially causing feelings of lethargy or what you perceive as laziness.

In essence, the reduced light on a gloomy day can confuse your body's internal clock, leading to a dip in energy levels.