People often describe anesthesia as something that puts a patient in a "deep sleep." An anesthesiologist enters the operating ...

In 1932, the inventor Alois Benjamin Saliger patented the Psycho-phone, a phonograph hooked up to a timer which could play recordings while a person was asleep. The audio could be heard at his dimly ...

Editor's note: All opinions, columns and letters reflect the views of the individual writer and not necessarily those of the IDS or its staffers. The sleepless nights we spend studying betray us come ...

Researchers led by Guilio Bernardi at the IMT School for Advanced Studies Lucca in Italy have discovered a key relationship between dreaming and the feeling of having had a good night's sleep.

Now that we have wearables tracking our every move, a lot of us can look at stats that supposedly tell us how well we’ve slept the night before. But sometimes, it can feel like your sleep tracker is ...

It can be tough to calculate exactly how long you’re in REM, but many health trackers use your heart rate, heart rate variability, and data on your movements to make solid estimations. (Just know that ...

March is Sleep Awareness Month, making it the perfect time to examine one of the most powerful pillars of our well-being: rest. In a culture that glorifies busyness, sleep often becomes the first ...

During the dramatic conclusion of Chapter 2 of Poppy Playtime, you find yourself stranded on the train tracks to Playcare: the mysterious orphanage housing Playtime Co.'s child subjects. During ...

When OpenAI released “study mode” in July 2025, the company touted ChatGPT’s educational benefits. “When ChatGPT is prompted to teach or tutor, it can significantly improve academic performance,” the ...

Long-term use of benzodiazepines and Z-drugs may help older adults fall asleep, but new research shows they alter sleep architecture and brain activity in ways that could undermine memory and next-day ...