I don ' t reckon they ' d waste the resources . The police are swamped already and they are only going to raid if they get a reliable tip off . I don ' t think cannabis websites would be enough evidence for a raid , and if they did do it we would hear about it over weeks months years so we ' d have time to get rid . Who knows though mate we live in interesting times . <| sep |> Drunk fuel can ' t melt wood beams ! !!<| sep |> They say there are no stupid questions . and yet here we are . <| sep |> This is on the right track and is part of the reason and is addressed in leading answer but you ' ve got the mechanism a little bit off . The chemical you ' re referring to isn ' t produced in the bladder , it ' s a hormone vassopressin , antidiuretic hormone that causes your renal system kidneys to reduce the rate at which water is removed from your system as they decontaminate your blood , so less urine is produced and that which is produced is more concentrated . That hormone though does not directly effect your sleep .