Study does not have the power to link chronic lack of sleep with later onset of dementia. Reverse causality may be at play as well.

Dr. Barry Dworkin

Medical Mythbusting Commentary for December , 2019

Study does not have the power to link chronic lack of sleep with later onset of dementia. Reverse causality may be at play as well. Play Now | Play in Popup | Download

Source:
Chronic lack of sleep linked to dementia later in life, study suggests

Reference:
Sleep fragmentation, microglial aging, and cognitive impairment in adults with and without Alzheimer’s dementia

Related posts:

  1. There is no “key” point in this sleep study of teens because it does not have the power to demonstrate cause and effect. The media has to stop hyping observational studies as if they were double-blinded randomized controlled trials.
  2. Brain injuries may be associated with a small increase in dementia risk
  3. Poor study design cannot link negative consequences of ‘catch-up’ sleep
  4. Merits of good quality sleep acknowledged but this study cannot demonstrate a causal link
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