Lack of sleep isn’t the only bad habit that can make someone feel tired all the time. Here are several more common habits that contribute to feeling constantly sapped, according to TIME (check the link for the full list):
Skipping exercising when you’re tired.
Not drinking enough water.
Not consuming enough iron.
Eating too much junk food.
Keeping a cluttered desk or office.
Working through vacations.
Drinking a glass or two of wine before bed.
Checking e-mails at bedtime.
Relying on caffeine to get through the day.