I tested the Eight Sleep Pod 5 for 60 days. As record-breaking summer temperatures hit, its AI-powered cooling became my ...

Abstract: Heart rate variability (HRV) is an important indicator for assessing the function of the cardiac autonomic nervous system (ANS), and it is important for early detection and prevention of ...

Every animal that has ever been studied closely, from the fruit fly to the philosopher, surrenders each day to a state that ...

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Sleep and the brain’s capacity to process stress and regulate emotion are deeply intertwined. Psychosocial and physiological stressors disrupt sleep ...