Lots of phone and tablet apps promise to improve sleep by filtering out the blue light from device screens. But that won't help if the reason you're not getting enough shut-eye is caffeine or stress.
A high school in New Mexico is experimenting with light-shielding lounge chairs where frazzled students can rest. Research suggests it leads to calmer, less anxious teens who do better in school.
Living most of life indoors can get your body clock out of phase. A fairly painless way to synch it is to spend a weekend camping, researchers say. Even the dim light of winter will do.
After a serious brain injury, people often sleep just a few minutes at a time. As the brain heals, sleep patterns begin to return to normal. The link suggests restoring sleep could improve recovery.
Findings provide new evidence pushing back school start times, to let adolescents sleep and wake up when it's more natural, researchers say. It's going to bed late that creates problems.
There's no question bed sharing increases the risk of sudden death, pediatricians say. New guidelines are aimed at reducing that risk as much as possible in the first year of a child's life.
Jet lag and shift work impose painful changes on the body's circadian rhythms. Adjusting oxygen consumption might help, researchers say. But don't hold your breath; it's only been tested in mice.