Standard sleep advice says you shouldn’t exercise moderately or vigorously within a few hours of bedtime. But surprisingly, most studies have found that early evening exercise does not impair sleep quality.
Your biological clock controls your circadian rhythms—your blood pressure, body temperature, and sleep-wake cycle—and is aided in this mission by the hormone melatonin.
Tongue size is an important predictor of sleep apnea, a common and potentially dangerous breathing disorder. Here's how to tell if your tongue is larger than normal, plus what you can do if it is.
