[erlang-questions] timer:sleep counts incorrectly inside my application

[Dmitry]

Hello
It counts perfectly in an erlang console
but here I need to send 70 push tokens with an interval 1 minute - but it sends with intervals 6-10 seconds

send_it(_A, BinToken) ->    timer:sleep(60000),    lager:info("The BinToken is in Send_it: ~p ~n",[BinToken]),

   Body = "{\"app_id\": \"c35654655556445454550a6\",\"contents\": {\"en\": \"English Message\"}, \"include_player_ids\": [\"" ++ binary_to_list(BinToken) ++"\"]}",
   Request = {"https://onesignal.com/api/v1/notifications",              [{"Authorization","Basic YTM25464464546456565QyZDlh"}], "application/json", Body},
   httpc:request(post, Request, [], []).

annoy (BinToken) ->  [send_it(A, BinToken) || A <- lists:seq(1,70)].++++++++++++++++++++++++++++++++++++++++++++++++++++where to dig?
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