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Daytime wounds 'heal more quickly'
Wounds heal more quickly if they occur during the day rather than after dark, a study suggests. It found burns sustained at night took an average of 28 days to heal, but just 17 for those that happened in daytime.
The team, at the UK's MRC Laboratory of Molecular Biology, said they were astounded by the difference they saw in 118 burns patients they studied. The effect was explained by the way body clock ticks inside nearly every human cell across a 24-hour cycle.
The research, published in Science Translational Medicine [DOI: 10.1126/scitranslmed.aal2774] [DX], examined 118 patients at NHS [National Health Service] burns units. It showed the average 11-day difference in healing times between people hurt at night and during the day. Detailed lab work showed skin cells called fibroblasts were changing their abilities in a 24-hour pattern.
(Score: 0) by Anonymous Coward on Thursday November 09 2017, @09:18PM
I've heard that light affects the cycle as it provides a signal to the cells to sync to. But I also think there is individual variation in there, some people are more active in the evening, while others are more active in the morning. I'm a morning person, darkness can easily put my body into sleep mode; I know others as well that are able to stay up until 3-4 a.m. (very hard for me to keep awake so long) and sleep out in the morning.