Why do deaths happen at night?

Why do deaths happen at night? At this time, adrenaline and anti-inflammatory hormones are at their lowest which causes airways to narrow. Spasm triggering compounds are also at the highest at this time and a person is more likely to die at this time according to Harvard medical research.

At this time, adrenaline and anti-inflammatory hormones are at their lowest which causes airways to narrow. Spasm triggering compounds are also at the highest at this time and a person is more likely to die at this time according to Harvard medical research.