[cel1ne]

...which is crucial since you don't want to lose your data when closing the lid. (Non-tech-term is on purpose here, since users shouldn't need to know about the difference. Also I believe OSX uses a hybrid approach).

[karussell]

You do not loose your data with both methods as power is used for suspend to RAM.

BTW: OSX has not a "pure" suspend to disc anymore and the default method is suspend to RAM when closing the lid

[cel1ne]

Parent poster stated "What often does not work is hibernation (recover from disc)".

Which means the user loses data.

[karussell]

Parent poster was me and you do not loose data. Instead it just does not go into hibernation in my case :)