Delta waves -- a pattern of high amplitude electrical activity in the brain emitted during sleep -- are not silent resting periods for the brain’s cortex, but play an essential role in long-term memory formation. read more

The researchers hypothesised that rehearsing unsolved problems during sleep would help people refine their memories of the problems, and improve their chance to solve them the next day. read more

The study found that participants who had a period of rest following the viewing of negative videos reported fewer memory intrusions related to the videos over the following week. read more

What time students go to bed and sleep consistency also make a big difference. And getting a good night’s sleep just before a big test is not enough - it takes several nights in a row. read more

Insomnia is a driver of suicide, and people with severe insomnia may safely benefit from taking a sedative to help address their sleep problems as it reduces their suicidal thoughts, a study suggests. read more

The need for sleep does not vary greatly between cultures, but differences arise in terms of the time reserved for sleeping. Young women slept more than young men, and the former also went to sleep earlier. read more

Things that contain caffeine are definitely going to be less-than-desirable for most people. read more

Children and youth who do not sleep enough and use screens more than recommended are more likely to act impulsively and make poorer decisions. read more

Researchers have found that young and middle-aged adults in Asia had the shortest sleep duration as compared to others and it may be happening because of the high cultural demands there. read more

Most of those who give sleep importance, focus more on quantity than quality. We need to learn to move at the pace of nature. read more

Short bursts of bright light from electronic screens make it more difficult to fall back to sleep. read more

From tossers and turners to happy snorers, where do you fall on the sleep spectrum? read more

Are you slashing sugar but forgetting about salt? Working out so hard, you could be risking burnout? read more

In her application submitted at the Samarth police station on Friday, the woman, a resident of Somwar Peth area here, said her sleep was getting disturbed due to the cock’s crowing at dawn every day in front of her house, he said. read more

Using non-invasive imaging to identify the mechanisms that strengthen memories can lead to improvements in our understanding of how memories work. read more