Researchers have tracked muscle contractions in a bird's vocal tract, and reconstructed the song it was silently singing in its sleep. The resulting audio is a very specific call, allowing the team to ...
Scientists brought to life the silent, sleeping songs of two great kiskadees. Andrej Chudý via Flickr under CC BY-NC-SA 2.0 DEED While birds are fast asleep, their brains remain active, firing off ...
We've all had a bad night's sleep, with a snoring partner, a crying baby or neighbours having too much fun. Sleep disturbances are common and have unpleasant consequences the day after, including ...