Like, currently it’s a big sun burn I got this weekend, but I seems to noticed this with other injuries, it seems sometimes the injury stay the same all day long(~18 h), but then, after a night of sleep (~8 h) it’s suddenly way better then before
In: Biology
It is not just feeling, your body *does* heal better and faster while you sleep. That’s why it is recommended to get lots of sleep when you are sick or injured. As for why, in broad terms, it has to do with your hormonal state and autonomic nervous systems – you have two: “fight or flight” (sympathetic), which keeps your body ready for physical activity etc. and is more active during the day, and “rest and digest” (parasympathetic) which is more active at night.
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