Bedroom-Invading Smartphones Jumble Body’s Sleep Rhythms
By Jason Gale Jan 7, 2014 2:28 PM ET
Sleep specialist Russell Rosenberg, who was an adviser on the International Bedroom… Read More
Having trouble sleeping? Check for a glow, inches from the pillow.
Using a smartphone, tablet or laptop at bedtime may be staving off sleep, according to Harvard Medical Schoolscientists, who have found specific wavelengths of light can suppress the slumber-inducing hormone melatonin in the brain.
“We have biologically shifted ourselves so we can’t fall asleep earlier,” said Charles A. Czeisler, a professor of sleep medicine at Harvard Medical School. “The amazing thing is that we are still trying to get up with the chickens.”