Exercise can improve sleep quality but CNN fluff piece uses old low quality sleep studies irrelevant to general population

Health Headlines Commentary for May 30, 2017

Source:

The healthiest way to improve your sleep: exercise

Reference:

Dose-response effects of exercise training on the subjective sleep quality of postmenopausal women: exploratory analyses of a randomised controlled trial.

The effect of exercise training on obstructive sleep apnea and sleep quality: a randomized controlled trial.