Can I do something with it? Seriously, it is faster to boot Ubuntu from scratch and open all the applications than restore from hibernation.
I expect a return from hibernation to be slightly costly compared to a straight boot.
However, I can understand the need for hibernation, and also the conditions when one would usually use it -- leading to the related slower restore...
You could try
UbuntuGeek article ref,
You should check your swappiness value. Usually it is left at 60. It should be 10 or 15:
You can change it on the fly with
and make it stick with