Hi Mansi and welcome to the Project Meditation community,
May I ask why you feel such a need to meditate all night long, even to the point you would be willing to die to achieve that?
The benefits of meditation don't come from being in a meditative state, but from how meditation effects your awareness and presence when not meditating. Depriving yourself of sleep, or tyring to meditate for such prolonged periods will offer no additional benefit to doing a couple of 20 minutes meditations a day.
It sounds as though the mind's ego has taken hold and is telling you that you will somehow be 'better' if you can meditate for a prolonged period... my advice... don't listen to it.
Take a read of this amazing thread by Ta Tzu Wa...
Principles of Meditation & Entrainment
Hugs
Giles