Medically reviewed by Daniel Combs, MD Key Takeaways The PSQI is a questionnaire used to check for problems as part of an ...

A survey of residents from the city of Nagoya in central Japan has provided evidence of the negative impact of warmer nighttime summer temperatures on population health. In total, more than 1,200 ...

A survey of residents from the city of Nagoya in central Japan has provided evidence of the negative impact of warmer nighttime summer temperatures on population health. In total, more than 1,200 ...

We know quality sleep is good for our overall health, but new research is pointing to its importance for brain health too. In the study, published Wednesday in online journal Neurology, researchers ...