# How well do closed/open loop algorithms deal with Dawn Phenomenon or FOTF

**URL:** <https://forum.fudiabetes.org/t/how-well-do-closed-open-loop-algorithms-deal-with-dawn-phenomenon-or-fotf/16174>\
**Category:** Tips, Tech & Gear\
**Tags:** insulin-pump, closed-loop, algorithm, open-loop\
**Created:** [June 30, 2026, 11:54am UTC](https://forum.fudiabetes.org/t/how-well-do-closed-open-loop-algorithms-deal-with-dawn-phenomenon-or-fotf/16174 "2026-06-30T11:54:25Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![bostrav59](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.fudiabetes.org/bostrav59/32/7281_2.png) [@bostrav59](https://forum.fudiabetes.org/u/bostrav59)\
**Post date:** [July 2, 2026, 12:02pm UTC](https://forum.fudiabetes.org/t/how-well-do-closed-open-loop-algorithms-deal-with-dawn-phenomenon-or-fotf/16174/11 "2026-07-02T12:02:24Z")

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> [@CarlosLuis](#):
>
> As an example this morning my BG was up to 120mg/dl.

I feel like a real slacker, as for me a BG at 120 is solidly in the normal band in the morning.

My endo has conditioned me to control to minimize lows, so I am pretty accepting of BGs up to 160.

What is FOTF? I’m sure I know once you tell me. The internet tells me it’s focus on the family.

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