When you’ve finished using your computer, you probably turn them off. Millions of people do this everyday, but the next morning you’ll re-open everything including applications and saved documents, reposition application windows, and get everything back the way you had it. Leaving the computer on for 24 hours-a-day is not a good solution.
Probably need to readjust the hibernate settings to conserver more battery life.
Source: How to Hibernate a Mac