A new study from Bar-Ilan University shows that one of sleep's core functions originated hundreds of millions of years ago in jellyfish and sea anemones, among the earliest creatures with nervous ...

Share on Pinterest A new mouse study shows that more toxins and metabolites are cleared from the brain during awake time than during sleep. romaset/Getty Images A new study in mice suggests the ...

Body weight workouts in the evening may be linked to around 30 more minutes of sleep at night and without increasing sleep interruptions, a new study suggests, the newest evidence in the long debate ...