30 Everyday Habits That Can Make Your Metabolism Slow Down

Your Thermostat Is Set Too High

It's not always a good idea to heat things up in the bedroom -- at least not when it comes to your metabolism. Room temperatures of 75 degrees keep your body from making brown fat, which is loaded with calorie-burning cells.

What you can do: Turning the thermostat down to 66 degrees before bedtime boosts brown-fat levels. When it’s cold outside, taking regular brisk walks also may do that.