How much sleep is enough? How much is too much? Questions like this have dogged sleep researchers for many years. And they often befuddle the public. Several years ago I was questioned on MSNBC on “reports” that people sleeping more than 8 hours a night died at a higher rate than people sleeping less. Should the […]
Predictor or marker – what scientific studies can you believe? (4/25/11)
Correlation – or Causation? Correlation versus causation is a major issue for media science and health stories. Recently I was asked in a TV interview about data that appeared to demonstrate earlier deaths for those who sleep more than eight hours a night. The reason, I tried to explain, is that people who are sick […]
Does long sleep provoke strokes? (11/17/11)
How Much Sleep Do You Need? Rest is regeneration, where the body literally rebuilds most of itself within days. This idea is so new that people get very confused about how our regeneration works – or how much is needed. Sleep is the part of rest folks understand best, but how much sleep individuals need […]