New Studies: Eating Late At Night, Digesting Food While Asleep Can Cause Brain Damage, Diabetes & Heart Problems

eating at night

Researchers from University of California in LA, has uncovered that eating late at night which leads to digesting food while sleeping could damage your memory. Digesting food when we are meant to be asleep is thought to play havoc with the hippocampus, the part of the brain where memories are formed.

Scientists testing the theory on mice found those who were fed during their normal sleeping time were less able to recall receiving a mild shock. Their long-term memory was also affected, the researchers found.

It was already known that eating when we normally sleep can impact health by raising blood sugar levels – which can lead to diabetes and heart problems.

So the researchers, from the University of California in LA, set out to see if it also affects mental function.  Mice are nocturnal so would normally eat at night. Some were allowed to do so, while the other group were fed in the daytime.


They were all put in a new context and then given a mild shock. When put back in that place the next day, those who had eaten at night as normal showed a ‘fear response’ – indicating they remembered the shock – while the mice who had eaten in the day were less likely to react.

Writing in the journal e-Life, the researchers say this may be because the mice who ate when they usually sleep had reduced levels of a protein called CREB, which is key for the body’s internal clock and the brain’s ability to form memories.

Lead author Dawn Loh said: ‘We have provided the first evidence that taking regular meals at the wrong time of day has far-reaching effects for learning and memory. Since many people find themselves working or playing during times when they’d normally be asleep, it is important to know that this could dull some of the functions of the brain’

The scientists stress that their findings have not been confirmed in humans, but say they could be important for those who stay up late, including shift workers.

Professor Christopher Colwell from UCLA said: ‘Modern schedules can lead us to eat around the clock so it is important to understand how the timing of food can impact cogitation. For the first time, we have shown that simply adjusting the time when food is made available alters the molecular clock in the hippocampus and can alter the cognitive performance of mice.’

Source: Mail Online


Written by PH

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