When a player times out from a server due to a loss of connection, the player remains "online" and is susceptible to death. (Such as the wifi going down.)
MC-148477
When a player timeouts from a server, the player stays loaded in the server.
Resolved
Invalid
0
When the client disconnects due to loss of connection, there is no way to tell the server that information, so the client would stay active until he timeouts(which should be less than a minute)