Comment by nojs
2 years ago
I think a “correlation is not causation” cautionary note is important here - there are a lot of things that cause fragmented sleep, and also cause death. Stress and underlying disease are two obvious ones.
2 years ago
I think a “correlation is not causation” cautionary note is important here - there are a lot of things that cause fragmented sleep, and also cause death. Stress and underlying disease are two obvious ones.
"Finally, we acknowledge the correlational nature of our findings. Sleep regularity may be both a cause and marker of premature mortality risk."