Acts 20:9

and a youth of the name of Eutychus was sitting at the window. This lad, gradually sinking into deep sleep while Paul preached at unusual length, overcome at last by sleep, fell from the second floor and was taken up dead.

Matthew 26:40-41

Then He came to the disciples and found them asleep, and He said to Peter, "Alas, none of you could keep awake with me for even a single hour!

Mark 9:26

So with a loud cry he threw the boy into fit after fit, and came out. The boy looked as if he were dead, so that most of them said he was dead;

Mark 13:36

Beware lest He should arrive unexpectedly and find you asleep.

Acts 14:19

But now a party of Jews came from Antioch and Iconium, and, having won over the crowd, they stoned Paul and dragged him out of the town, believing him to be dead.

Treasury of Scripture Knowledge

Summary

And there sat in a window a certain young man named Eutychus, being fallen into a deep sleep: and as Paul was long preaching, he sunk down with sleep, and fell down from the third loft, and was taken up dead.

Bible References

Being

Matthew 26:40
Then He came to the disciples and found them asleep, and He said to Peter, "Alas, none of you could keep awake with me for even a single hour!
Mark 13:36
Beware lest He should arrive unexpectedly and find you asleep.

And was

Acts 14:19
But now a party of Jews came from Antioch and Iconium, and, having won over the crowd, they stoned Paul and dragged him out of the town, believing him to be dead.
Mark 9:26
So with a loud cry he threw the boy into fit after fit, and came out. The boy looked as if he were dead, so that most of them said he was dead;