Alerts
Eyes Play Important Role in Sleep
 Researchers at Oxford University have found that nerve cells in the eye use the level of brightness in a person's environment to control sleepiness, according to an article in ScienceDaily. Much of our sleep patterns — feeling sleepy at night and awake during the day — are regulated by light and darkness. Light is the most powerful regulator of our biological clock. |
How Was Your Sleep Last Night?
 Did you have trouble falling asleep last night? Did you experience difficulty staying asleep or did you wake up too early? If your answers were "yes," "yes" and "all the time," you have something in common with your fellow Americans. |
Stress and Your Immune System's Response
 Everyone has experienced stress at one time or another, and it's not hard to imagine that too much stress can make you more susceptible to sickness. But why? According to a recent study in the journal Biological Psychiatry, researchers believe they've found a mechanism that alters the body's immune response when under stress. |
Caffeine Refuels Muscles After Exhausting Workout
 According to a study in the Journal of Applied Physiology, co-ingestion of large amounts of caffeine with carbohydrates after an exhausting workout rapidly replenishes glycogen, the muscle's primary fuel source. The study, conducted by researchers in Australia, looked at subjects who completed a cycling workout followed by a low-carb diet. |
Custom-made Appliances More Effective in Treating Sleep Apnea
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Custom-made oral appliances are more effective than thermoplastic devices in treating mild sleep apnea, according to a study published in the American Journal of Respiratory and Critical Care Medicine. |
