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 ho …
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 t …
Scientists have long known that light stimulates alertness and helps to reset our circadian rhythms . But a study published in the Journal of Physiological Anthropology confirms that bright light early in the morning can also aid tryptophan levels. Tryptophan is a precursor to serotonin which is itself a precursor to melatonin. The hig …
