Lack of sunlight or artificial sunlight could easily trigger a host of complaints such as: 1. Excessive fatigue and exhaustion, chronic fatigue 2. Non-refreshing sleep 3. Sleep disturbance, insomnia 4. Feeling overwhelmed or unable to cope 5. Craving salty and/or sweet foods 6. Depression 7. Low stamina and slow to recover from exercise 8. Slow… Continue reading THE HUMAN CONDITION or Need for Light Therapy