For starters, avoid any caffeine in the afternoon because it will keep you in the lighter stages of sleep -- which are associated with poor sleep -- at night. Breus recommends only decaf from 2 . on. Exercise also helps improve sleep quality. How soon before bed should you exercise? It depends -- everyone is different. It’s more important that you exercise than it is when you exercise. Breus says to be safe, don’t exercise right before going to bed. “But some people exercise better before bed and it doesn’t affect their sleep,” he says.
Fix it: If you suspect you are gaining weight that you can't attribute to your eating habits, medications, or lack of exercise, a few tests—including a blood test and urinalysis, to get an accurate check of your body's cortisol levels, will give your doctor the first clues to this condition. If the levels are deemed excessively high, then your doctor will order further tests, like a CT scan of your pituitary and adrenal glands, to determine if such a tumor exists. If the tumor is confirmed, doctors will likely perform surgery to remove the tumor (and possibly the affected gland), followed by a course of steroids to help regulate the remaining gland. (Could you have a thyroid problem? Find out here .)