minetest.register_on_respawnplayer(function(player)
    local name = player:get_player_name()
    minetest.log("action", "respawn_patch: " .. name .. ", get_hp(): " .. player:get_hp())
    
    if player:get_hp() < 1 then
        player:set_hp(20)
        minetest.log("action", "respawn_patch: " .. name .. " restoration of life")
    end
end)