Heaven and Hell are not a physical place but simply a state of mind. When you are positive, happy & contented, you're in heaven. Similarly, if you're negative and full of complains, then every day is hell. So, we choose to live in heaven or hell.
When a certain religion promised 72 virgins to the martyr, if male martyred liao go to heaven become charbo, then how ? He becomes one of 72 virgins tio fucked ?
You will be spiritual. Not physical. No concept of time. Some feel so blissful they want to stay forever. Others were tormented and tortured. From feedback of those came back to life.