Sleep strengthens muscle and bone
During sleep, the brain produces growth hormone to help build muscle and bone and reduce fat. UC Berkeley research in mice reveals the brain circuits that regulate growth hormone release, along with a brainstem feedback mechanism that promotes wakefulness after a good...
Natural light lessens morning fatigue
Moderate amounts of sunlight before waking up can have a positive effect. Credit: Osaka Metropolitan University. Light conditions in the morning before waking up can affect fatigue, with a little natural light impacting positively on tiredness. Sleep is a necessary...
What makes us remember our dreams?
Sleeping girl by Domenico Fetti (c 1589-1623). Public domain. A new study has found the ability to recall our dreams seems to be based both on individual characteristics and external factors. Some people wake up vividly recalling their dreams from the night, and can...