, May 31 -- Researchers in Singapore have found that caffeine may help reverse certain memory problems caused by lack of sleep, offering new insights into how sleep deprivation affects the brain.

The study, conducted by scientists at the Yong Loo Lin School of Medicine at the National University of Singapore and published in the journal Neuropsychopharmacology, suggests that caffeine's benefits may go beyond helping people stay awake.

The research focused on social memory, the brain's ability to recognize and remember individuals encountered before.

The study was led by Sreedharan Sajikumar and researcher Lik-Wei Wong.

Scientists examined a part of the brain called the hippocampal CA2 region, which plays an important role in social me...