-
It then waits till you fall asleep then starts the timer, waiting for you to get roughly 26.5 minutes of shuteye, before rousing you during a light sleep cycle.
ENGADGET: Jawbone Up review (2012): a reboot and a shot at redemption
-
Instead of making a loud noise at a predetermined time, the Smart Alarm gently vibrates when you're in a light sleep, somewhere around the time you'd like to wake up (up to 30 minutes before you've actually set it).
ENGADGET: Jawbone Up review (2012): a reboot and a shot at redemption
-
You see, researchers now know that blue-tinted light suppresses production of melatonin a hormone that makes it easier for us to go to sleep at night while red light does not (I wrote about the topic in a bit more detail here).
FORBES: The Best Product of 2012: The Philips Hue LED Lighting System
-
Efforts to increase wakefulness in night-shift workers have focused on the use of light at night to suppress melatonin, a sleep-regulating hormone.
WSJ: Skin Cancer, Driving and Men
-
In another experiment the researchers wake up sleeping mice by sending a light signal to the hypothalamus, the brain's controller of sleep-wake cycles.
FORBES: Magazine Article
-
So there we are, the grotesque grabbing on to beauty, beauty embraced by the grotesque, the light surrounded by the shadow, our lives rounded by a little sleep.
NPR: Acting the Swan to Overcome the Duck
-
But during a light, long-haul flight, this production is inhibited, disrupting sleep, throwing the body completely out of sync and leading to jet lag.
BBC: NEWS | Health | Brits stock up on US jet lag remedy
-
When Woodside, California, mom Dana Sanderson asked her daughter Kit, then 6, what would help her sleep alone, Kit decided she needed a bigger night-light and a "Mommy pillow, " a body pillow with her mom's image traced in fabric paint.
CNN: Six big kid sleep problems
-
Blue light suppresses production of a brain chemical called melatonin, which helps us fall sleep.
FORBES: Links 11 Sept: Apple's iPhone 5 Could Add Half A Percent to US GDP
-
Light and quality of sleep are well-known to be linked, as anyone who has ever pulled a night shift will attest.
ENGADGET: Alt-week 12.08.12: The oldest known dinosaur, lighting up a space station and the black marble