7. You're trading sleep for workouts.

7. You're trading sleep for workouts.  We're all so busy these days, and sometimes the only time to work out seems to be early in the morning—even if you were up late the night before working or with a child that couldn't sleep. But regularly swapping sleep for workouts can seriously hinder your weight-loss, as sleep triggers a number of hormones that influence cravings and a tendency for weight gain. In addition, too many sleepless nights will leave you tired and unfocused for your workouts, which means that you won't get much from your efforts. And did you know that sleep is a much needed part of a fitness plan, since a lot of recovery and repair happens while you rest each night? Skimp on the shut-eye, and it could also lead to symptoms of overtraining. Get-Results Remedy: Start scheduling both your sleep and your workouts—and treat both as unbreakable appointments. Then follow SparkPeople's 4-week Better Sleep Challenge to make the most of those Z's! Exercising after an occasional sleepless night shouldn't pose too many problems. But if you're regularly swapping sleep for a sweat session, you could be doing more long-term harm than good. Sleep should come first—even before working out.