After decades of jet lag, night shoots, and unpredictable schedules, Jane Seymour says she's found a way to keep sleep anxiety in check. Speaking to Business Insider as part of her partnership with The Body Firm , Seymour said she aims to get at least 8 hours of sleep each night. "I do have blackout curtains, I guess. But once I turn the switch in myself and say it's bedtime, I'm usually able just to go to sleep," Seymour, 75, said. If she can't fall asleep, she doesn't panic or fixate on it,