Sleep deprivation among teens spiked after 2012 – just as smartphone use became common.
Some say the hysteria over screen time echoes parents' worries that their kids were watching too much TV in the 1980s. But new studies show there's nothing overblown about parents' growing concern.
Could too much light in the evening affect children’s sleep? Recent research suggests that it could.
A recent study suggested that a chemical responsible for getting the body ready for sleep was suppressed in children by too much evening light. A circadian rhythm expert explains the dangers.
Night owls, or people who have a hard time waking up in the morning, face health risks as a result.
Pity the poor night owls of the world, who already must adjust to a life that doesn't align with their natural sleep patterns. Now it appears that being a night owl even raises the risk of death.
A New York engineer is wheeled away in December 2013, after a train he was driving crashed. Lack of sleep could have been a factor.
AP Photo/Robert Stolarik
Most Americans dread the time switch to daylight saving time, which results in a loss of an hour's sleep. The downside is more serious than that – it can lead to workplace injuries and traffic fatalities.