Unless you have experienced this yourself or have talked to someone how has experienced this then your observation that these people appear asleep means nothing. :
Frankly, we have two recorded instances in scripture and based on those, Yes I can evaluate modern slain in the spirit claims by simply comparing them with Biblical accounts. Also, I have read what Pentecostal Theoligians ahve written on this topic too. So, yes I do have a vaild point. Also, I can understand the English language, among others and as such I can see the OP has yet to be proven via scripture.
In both accounts it was an Apostle, never the “average” Christian. Can anyone here who says they were slain in the Spirit lay claim to Apostleship? See, Acts 1 for qualifications.
And, the fact that they appear asleep does have merit because that is an observation. Based on the two cases in the NT, both people were aware of things “outside” their body, but not aware of their physical immediate surrroundings. Unless what you claim being slain in the spirit lines up with what we know to be genuine, then they are not the same thing occuring. If they are not the same thing occuring, then those two passages do not support your claims.
BTW, experience is the worse way of juding Truth of the matter.
2 Corinthians 12
1It is not expedient for me doubtless to glory. I will come to visions and revelations of the Lord.
2I knew a man in Christ above fourteen years ago, (whether in the body, I cannot tell; or whether out of the body, I cannot tell: God knoweth

such an one caught up to the third heaven.
3And I knew such a man, (
whether in the body, or out of the body, I cannot tell: God knoweth
4How that he was caught up into paradise, and heard unspeakable words, which it is not lawful for a man to utter.
5Of such an one will I glory: yet of myself I will not glory, but in mine infirmities.
6For though I would desire to glory, I shall not be a fool; for I will say the truth: but now I forbear, lest any man should think of me above that which he seeth me to be, or that he heareth of me.
7And lest I should be exalted above measure through the abundance of the revelations, there was given to me a thorn in the flesh, the messenger of Satan to buffet me, lest I should be exalted above measure.
8For this thing I besought the Lord thrice, that it might depart from me.
9And he said unto me, My grace is sufficient for thee: for my strength is made perfect in weakness. Most gladly therefore will I rather glory in my infirmities, that the power of Christ may rest upon me.
10Therefore I take pleasure in infirmities, in reproaches, in necessities, in persecutions, in distresses for Christ’s sake: for when I am weak, then am I strong.
Revelation 1
1The Revelation of Jesus Christ, which God gave unto him, to shew unto his servants things which must shortly come to pass; and he sent and signified it by his angel unto his servant John:
2Who bare record of the word of God, and of the testimony of Jesus Christ, and of all things that he saw.
3Blessed is he that readeth, and they that hear the words of this prophecy, and keep those things which are written therein: for the time is at hand.
4John to the seven churches which are in Asia: Grace be unto you, and peace, from him which is, and which was, and which is to come; and from the seven Spirits which are before his throne;
5And from Jesus Christ, who is the faithful witness, and the first begotten of the dead, and the prince of the kings of the earth. Unto him that loved us, and washed us from our sins in his own blood,
6And hath made us kings and priests unto God and his Father; to him be glory and dominion for ever and ever. Amen.
7Behold, he cometh with clouds; and every eye shall see him, and they also which pierced him: and all kindreds of the earth shall wail because of him. Even so, Amen.
8I am Alpha and Omega, the beginning and the ending, saith the Lord, which is, and which was, and which is to come, the Almighty.
9I John, who also am your brother, and companion in tribulation, and in the kingdom and patience of Jesus Christ, was in the isle that is called Patmos, for the word of God, and for the testimony of Jesus Christ.
10I was in the Spirit on the Lord’s day, and heard behind me a great voice, as of a trumpet,
11Saying, I am Alpha and Omega, the first and the last: and, What thou seest, write in a book, and send it unto the seven churches which are in Asia; unto Ephesus, and unto Smyrna, and unto Pergamos, and unto Thyatira, and unto Sardis, and unto Philadelphia, and unto Laodicea.
12And I turned to see the voice that spake with me. And being turned, I saw seven golden candlesticks;
13And in the midst of the seven candlesticks one like unto the Son of man, clothed with a garment down to the foot, and girt about the paps with a golden girdle.
14His head and his hairs were white like wool, as white as snow; and his eyes were as a flame of fire;
15And his feet like unto fine brass, as if they burned in a furnace; and his voice as the sound of many waters.
16And he had in his right hand seven stars: and out of his mouth went a sharp twoedged sword: and his countenance was as the sun shineth in his strength.
17And when I saw him, I fell at his feet as dead. And he laid his right hand upon me, saying unto me, Fear not; I am the first and the last:
18I am he that liveth, and was dead; and, behold, I am alive for evermore, Amen; and have the keys of hell and of death.
19Write the things which thou hast seen, and the things which are, and the things which shall be hereafter;