As clocks fall back Sunday, a Hillcrest sleep medicine expert explains how the time change affects your body.

Shift work disrupts the alignment between the biological clock and work hours, leading to impaired alertness, slowed reaction times and reduced decision-making capacity upon awakening or during night ...

when you want it to wake up. It generally feels like a temporary disorientation and drop in performance or mood after you wake up. Here's how to know if you're affected by sleep inertia and what you ...

Sleep is critical for our health and wellbeing. But with poor sleep becoming a growing problem around the world, it’s more important now than ever to understand what factors affect sleep quality.

If work and school obligations evaporated, nearly half of ADDitude readers say their bodies would naturally fall asleep after midnight. Roughly a quarter say they’d fall asleep around 1 or 2 a.m., ...

There’s no afternoon snooze more recognizable than the siesta, a tradition that dates back centuries, and possibly even millennia (thank you ancient Greeks and Romans!). So, it's safe to say that ...

A brief afternoon nap may improve alertness and performance, while longer naps can increase sleep inertia and interfere with nighttime sleep. An afternoon nap can be a simple way to temporarily ...