Biologists Just Totally Proved Wrong a Long-Standing Rumor About Sharks

It’s been rumored that sharks don’t sleep at all; the fact some sharks must stay on the move to facilitate their breathing has contributed to this idea. A new study, however, finally confirms what anecdotal evidence and other research have long suggested – these animals do slumber, just as we do.   “We have provided … Read more

Sleep: Unknown voices spark more activity in sleeping brain than familiar ones

Unfamiliar voices seem to put the sleeping brain on alert in a way that familiar voices don’t Humans 17 January 2022 By Jason Arunn Murugesu Electroencephalography (EEG) is used to monitor brain activity Shutterstock / NPS_87 The sleeping brain is more active if it hears unfamiliar voices rather than familiar ones. The finding suggests that … Read more

Health in space: Sleeping bag could prevent vision loss in astronauts

Long spells in microgravity can alter eyeball shape, but a sleeping bag that applies suction to the lower body could prevent such problems Space 9 December 2021 By Jason Arunn Murugesu Volunteers spent 72 hours in the high-tech sleeping bag UT Southwestern Medical Center A sleeping bag that mimics the pull of gravity could prevent … Read more