When people are awake, their pupils regularly change in size. Those changes are meaningful, reflecting shifting attention or vigilance, for example. Now, researchers reporting in Current Biology on January 18 have found in ...
At 10:00 GMT on Monday, the most important alarm clock in the Solar System will wake up ESA's sleeping Rosetta spacecraft.
(Phys.org) —Researchers at The University of Queensland have discovered that, like humans, flies sleep in stages of different intensities.
With all the frantic deal-making and head-spinning gadgets at the world's top IT fair, it is perhaps no surprise that a chair promising the benefit of two hours sleep in 20 minutes drew big queues.
We all know the feeling, the short, sharp shock of waking to the sound of an alarm clock. Whether the traditional clattering metal bells, the incessant beeping of digital or the dulcet tones of today's radio news reader. ...
A billion-euro (1.47-billion-dollar) space probe was placed in hibernation on Wednesday until 2014, when it will be woken for a deep-space rendezvous with a comet, the European Space Agency (ESA) said.
The sperm of male fruit flies are coated with a chemical 'sex peptide' which inhibits the female's usual afternoon siesta and compels her into an intense period of foraging activity.