Does not putting in abnormal hours means you don't love what you do? I find (personally) that I become more creatively and emotionally effective when I've had

Does not putting in abnormal hours means you don't love what you do? I find (personally) that I become more creatively and emotionally effective when I've had rest, exercise, proper food and non-work social endeavors. I don't remember the last time I stayed up past 2am for work, or a side project. But I still love what I do, and want to do it well.