This video segment adapted from NOVA scienceNOW considers the purpose of sleep and, in particular, the connection it shares with memory. By studying the dreams of rats, researchers are hoping to gain ...

Teenagers who sleep longer perform better at mental tasks, reveals new research. Adolescents who sleep for longer – and from an earlier bedtime – tend to have improved brain function and perform ...

Sleep is essential to protect the mental and physical health of an individual, in addition to improving the quality of life. However, the function of sleep has not always been clear and, until ...