According to the Bible there is life after death. Jesus, upon his death went among the spirits of the dead and taught them his gospel.
1 Peter 3:18-20
18 For Christ also hath once suffered for sins, the just for the unjust, that he might bring us to God, being put to death in the flesh, but quickened by the Spirit:
19 By which also he went and preached unto the spirits in prison;
20 Which sometime were disobedient, when once the longsuffering of God waited in the days of Noah, while the ark was a preparing, wherein few, that is, eight souls were saved by water.
1 Peter 4:5-6
5 Who shall give account to him that is ready to judge the quick and the dead.
6 For for this cause was the gospel preached also to them that are dead, that they might be judged according to men in the flesh, but live according to God in the spirit.
Our spirits upon death are still alive and they await the time of their resurrection from the dead. While they wait, Jesus went among them and set up his minister among them to teach the gospel to the dead. Eventually both the just and the unjust will be resurrected and receive an immortal body of flesh and bones to live throughout all eternity.
Acts 24:15
And have hope toward God, which they themselves also allow, that there shall be a resurrection of the dead, both of the just and unjust.
The just will be resurrected from the time of Jesus' resurrection up through the second coming of Christ. At his coming, the righteous will come forth from the grave to meet him at his coming at the beginning of his millennial reign. The unjust will not resurrect until the end of Jesus' millennial reign of 1000 years.
Revelation 20:4-6
4 And I saw thrones, and they sat upon them, and judgment was given unto them: and I saw the souls of them that were beheaded for the witness of Jesus, and for the word of God, and which had not worshipped the beast, neither his image, neither had received his mark upon their foreheads, or in their hands; and they lived and reigned with Christ a thousand years.
5 But the rest of the dead lived not again until the thousand years were finished. This is the first resurrection.
6 Blessed and holy is he that hath part in the first resurrection: on such the second death hath no power, but they shall be priests of God and of Christ, and shall reign with him a thousand years.
So, I think the spirit of the dead will remember their earthly mortality and be waiting for the day of their resurrection.