Evening Light Exposure

Uses

How it works

Risks & contraindications

Comparisons

Evidence quality

Highlighted claims

• The study compared 100 Lux light exposure against a control condition of less than 3 Lux. — Bedroom Light and Insulin Resistance
• Light exposure at night increases blood pressure. — Light Exposure at Night and Blood Pressure
• Research published in the Proceedings of the National Academy of Sciences examined how nighttime light exposure affects insulin sensitivity in healthy subjects. — Bedroom Light and Insulin Resistance
• Exposure to 100 Lux overnight increased heart rate during sleep. — Bedroom Light and Insulin Resistance
• Exposure to 100 Lux overnight decreased heart rate variability. — Bedroom Light and Insulin Resistance
• The blood pressure effect of nighttime light occurs even through closed eyelids during sleep. — Light Exposure at Night and Blood Pressure
• Light exposure between midnight and 7:00 AM increases mortality risk. — Light Exposure Timing and Mortality
• Light exposure after 9:00 PM is associated with increased mortality rates. — Light Timing and Mortality Risk
• Environments with brighter nights and darker days predict higher mortality rates. — Light Timing and Mortality Risk
• Environmental modifications to eliminate nighttime light are the most practical recommendation for the general population. — Light Exposure at Night and Blood Pressure