Online gambling increased steadily throughout every stretch of daylight, and there is some evidence that major stock trades were made more often on light days than on dark ones. (bookpage.com)
Every morning they turn on at 8 a.m. and turn off at 8 p.m., ensuring that my plants get at least 12 hours of light every day. (mindbodygreen.com)
Their findings show that children need at least two hours of natural light each day for optimal eye development. (educationmattersmag.com.au)