Jane

Have you been outside today? Researchers from the Lighting Research Center in New York have found that a good dose of morning light — from either the sun or an artificial source — makes office workers sleep better and feel less stressed and depressed, compared to those subjected to low light. Scientists confirm we need exposure to light during the day that’s between 1000-2000 lux to keep our body clocks ticking over. However, most of us work indoors. A brightly lit room…

Light stimulates alertness. That’s a good thing first thing in the morning, but during the evening it can cause sleep disruption. When darkness descends at the end of the day, the light sensitive cells in our retinas signal our brains that it’s time to prepare for sleep. The pineal gland switches “on” and begins producing melatonin (aka the sleep hormone), which regulates our sleep-wake cycle, slowing metabolic functions and lowering body temperature. This, in turn, makes us sleepy and less…