Please provide your email address to receive an email when new articles are posted on . Associations between sleep duration and serum testosterone vary by age and sex. Sleep quality was not associated ...

Sleeping fewer than 4.5 hours and more than 6.5 hours per night is associated with cognitive decline, according to researchers. In a recent study published in Oxford Academic's Brain, a team from the ...

Factors like sleep, energy levels and stress can predict the onset of a migraine headache, a new study finds. Those factors differed from the morning to the afternoon and evening, however. Poor ...

Do you get the right amount of rest on most nights? Your sleep quality -- including getting too little or too much sleep-- affects many aspects of your health, including your cholesterol levels. Most ...