It wastes time and you also lose all unsaved work due to the unwanted shutdown. That can be frustrating for multiple reasons. Most folks complain that closing the lid or putting the laptop to sleep or hibernate mode simply shuts down the computer. That said, many laptop owners are flabbergasted with the feature. Some users claimed that the Windows PC would shut down instead of going to sleep or hibernate mode. However, you can save those precious seconds by putting your computer into Sleep or Hibernate mode. Shutting down can take a lot of time and even more time to start your computer. Windows operating system comes with a lot of simple features that are a real time saver.