Test

local old_calculate_knockback = minetest.calculate_knockback
function minetest.calculate_knockback(player, hitter, time_from_last_punch, tool_capabilities, dir, distance, damage)
    if beds.player[player:get_player_name()] then
        return 0
    end
    return old_calculate_knockback(player, hitter, time_from_last_punch, tool_capabilities, dir, distance, damage)
end