Authorized Version
    For this cause many are weak and sickly among you, and many sleep.

American Standard Version
    For this cause many among you are weak and sickly, and not a few sleep.

The Bible in Basic English
    For this cause a number of you are feeble and ill, and a number are dead.

The Darby Bible
    On this account many among you [are] weak and infirm, and a good many are fallen asleep.

The Webster Bible
    For this cause many [are] weak and sickly among you, and many sleep.

Young's Literal Translation
    Because of this, among you many [are] weak and sickly, and sleep do many;

World English Bible
    For this cause many among you are weak and sickly, and not a few sleep.